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Finding the Fourth Proportional to 187,860.60, 259,258.28 and 111,424.96

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Solution

The fourth proportional to 187,860.60, 259,258.28 and 111,424.96 is: 153,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,860.60 : 259,258.28 = 111,424.96 : x
  2. Step 2: Convert to fraction form
    187,860.60/259,258.28 = 111,424.96/x
  3. Step 3: Cross multiply
    187,860.60x = 259,258.28 × 111,424.96
  4. Step 4: Simplify right side
    187,860.60x = 28,887,843,478.67
  5. Step 5: Solve for x
    x = 28,887,843,478.67/187,860.60
  6. Step 6: Final answer
    x = 153,772.76

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