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Finding the Fourth Proportional to 371,698.36, 512,954.25 and 210,553.36

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Solution

The fourth proportional to 371,698.36, 512,954.25 and 210,553.36 is: 290,569.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,698.36 : 512,954.25 = 210,553.36 : x
  2. Step 2: Convert to fraction form
    371,698.36/512,954.25 = 210,553.36/x
  3. Step 3: Cross multiply
    371,698.36x = 512,954.25 × 210,553.36
  4. Step 4: Simplify right side
    371,698.36x = 108,004,240,863.78
  5. Step 5: Solve for x
    x = 108,004,240,863.78/371,698.36
  6. Step 6: Final answer
    x = 290,569.59

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