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Finding the Fourth Proportional to 457,213.77, 685,570.10 and 141,583.05

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Solution

The fourth proportional to 457,213.77, 685,570.10 and 141,583.05 is: 212,296.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,213.77 : 685,570.10 = 141,583.05 : x
  2. Step 2: Convert to fraction form
    457,213.77/685,570.10 = 141,583.05/x
  3. Step 3: Cross multiply
    457,213.77x = 685,570.10 × 141,583.05
  4. Step 4: Simplify right side
    457,213.77x = 97,065,105,038.89
  5. Step 5: Solve for x
    x = 97,065,105,038.89/457,213.77
  6. Step 6: Final answer
    x = 212,296.99

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