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Finding the Fourth Proportional to 585,905.40, 878,858.10 and 142,673.40

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Solution

The fourth proportional to 585,905.40, 878,858.10 and 142,673.40 is: 214,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,905.40 : 878,858.10 = 142,673.40 : x
  2. Step 2: Convert to fraction form
    585,905.40/878,858.10 = 142,673.40/x
  3. Step 3: Cross multiply
    585,905.40x = 878,858.10 × 142,673.40
  4. Step 4: Simplify right side
    585,905.40x = 125,389,673,244.54
  5. Step 5: Solve for x
    x = 125,389,673,244.54/585,905.40
  6. Step 6: Final answer
    x = 214,010.10

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