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Finding the Fourth Proportional to 45,887.99, 68,831.17 and 12,607.92

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Solution

The fourth proportional to 45,887.99, 68,831.17 and 12,607.92 is: 18,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,887.99 : 68,831.17 = 12,607.92 : x
  2. Step 2: Convert to fraction form
    45,887.99/68,831.17 = 12,607.92/x
  3. Step 3: Cross multiply
    45,887.99x = 68,831.17 × 12,607.92
  4. Step 4: Simplify right side
    45,887.99x = 867,817,853.35
  5. Step 5: Solve for x
    x = 867,817,853.35/45,887.99
  6. Step 6: Final answer
    x = 18,911.66

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