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Finding the Fourth Proportional to 56,849.76, 78,458.40 and 32,981.76

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Solution

The fourth proportional to 56,849.76, 78,458.40 and 32,981.76 is: 45,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,849.76 : 78,458.40 = 32,981.76 : x
  2. Step 2: Convert to fraction form
    56,849.76/78,458.40 = 32,981.76/x
  3. Step 3: Cross multiply
    56,849.76x = 78,458.40 × 32,981.76
  4. Step 4: Simplify right side
    56,849.76x = 2,587,696,118.78
  5. Step 5: Solve for x
    x = 2,587,696,118.78/56,849.76
  6. Step 6: Final answer
    x = 45,518.15

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