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Finding the Fourth Proportional to 187,840.78, 281,871.74 and 69,594.56

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Solution

The fourth proportional to 187,840.78, 281,871.74 and 69,594.56 is: 104,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,840.78 : 281,871.74 = 69,594.56 : x
  2. Step 2: Convert to fraction form
    187,840.78/281,871.74 = 69,594.56/x
  3. Step 3: Cross multiply
    187,840.78x = 281,871.74 × 69,594.56
  4. Step 4: Simplify right side
    187,840.78x = 19,616,739,721.73
  5. Step 5: Solve for x
    x = 19,616,739,721.73/187,840.78
  6. Step 6: Final answer
    x = 104,432.81

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