Finding the Fourth Proportional to 91,787.31, 137,654.49 and 25,229.61

Step by Step Solution

1. Step 1: Write the proportion equation
   91,787.31 : 137,654.49 = 25,229.61 : x
2. Step 2: Convert to fraction form
   91,787.31/137,654.49 = 25,229.61/x
3. Step 3: Cross multiply
   91,787.31x = 137,654.49 × 25,229.61
4. Step 4: Simplify right side
   91,787.31x = 3,472,969,097.45
5. Step 5: Solve for x
   x = 3,472,969,097.45/91,787.31
6. Step 6: Final answer
   x = 37,837.14