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Finding the Fourth Proportional to 620,540.63, 930,864.54 and 171,261.57

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Solution

The fourth proportional to 620,540.63, 930,864.54 and 171,261.57 is: 256,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,540.63 : 930,864.54 = 171,261.57 : x
  2. Step 2: Convert to fraction form
    620,540.63/930,864.54 = 171,261.57/x
  3. Step 3: Cross multiply
    620,540.63x = 930,864.54 × 171,261.57
  4. Step 4: Simplify right side
    620,540.63x = 159,421,322,577.73
  5. Step 5: Solve for x
    x = 159,421,322,577.73/620,540.63
  6. Step 6: Final answer
    x = 256,907.15

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