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Finding the Fourth Proportional to 18,935.76, 26,132.49 and 10,437.87

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Solution

The fourth proportional to 18,935.76, 26,132.49 and 10,437.87 is: 14,404.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.76 : 26,132.49 = 10,437.87 : x
  2. Step 2: Convert to fraction form
    18,935.76/26,132.49 = 10,437.87/x
  3. Step 3: Cross multiply
    18,935.76x = 26,132.49 × 10,437.87
  4. Step 4: Simplify right side
    18,935.76x = 272,767,533.40
  5. Step 5: Solve for x
    x = 272,767,533.40/18,935.76
  6. Step 6: Final answer
    x = 14,404.89

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