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Finding the Fourth Proportional to 75,940.44, 104,778.94 and 65,852.76

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Solution

The fourth proportional to 75,940.44, 104,778.94 and 65,852.76 is: 90,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,940.44 : 104,778.94 = 65,852.76 : x
  2. Step 2: Convert to fraction form
    75,940.44/104,778.94 = 65,852.76/x
  3. Step 3: Cross multiply
    75,940.44x = 104,778.94 × 65,852.76
  4. Step 4: Simplify right side
    75,940.44x = 6,899,982,388.87
  5. Step 5: Solve for x
    x = 6,899,982,388.87/75,940.44
  6. Step 6: Final answer
    x = 90,860.45

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