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Finding the Fourth Proportional to 77,974.75, 116,981.61 and 22,570.75

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Solution

The fourth proportional to 77,974.75, 116,981.61 and 22,570.75 is: 33,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,974.75 : 116,981.61 = 22,570.75 : x
  2. Step 2: Convert to fraction form
    77,974.75/116,981.61 = 22,570.75/x
  3. Step 3: Cross multiply
    77,974.75x = 116,981.61 × 22,570.75
  4. Step 4: Simplify right side
    77,974.75x = 2,640,362,673.91
  5. Step 5: Solve for x
    x = 2,640,362,673.91/77,974.75
  6. Step 6: Final answer
    x = 33,861.77

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