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Finding the Fourth Proportional to 177,919.80, 266,849.94 and 78,053.22

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Solution

The fourth proportional to 177,919.80, 266,849.94 and 78,053.22 is: 117,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,919.80 : 266,849.94 = 78,053.22 : x
  2. Step 2: Convert to fraction form
    177,919.80/266,849.94 = 78,053.22/x
  3. Step 3: Cross multiply
    177,919.80x = 266,849.94 × 78,053.22
  4. Step 4: Simplify right side
    177,919.80x = 20,828,497,073.81
  5. Step 5: Solve for x
    x = 20,828,497,073.81/177,919.80
  6. Step 6: Final answer
    x = 117,066.77

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