Finding the Fourth Proportional to 99,499.52, 137,304.84 and 54,176.36

Step by Step Solution

1. Step 1: Write the proportion equation
   99,499.52 : 137,304.84 = 54,176.36 : x
2. Step 2: Convert to fraction form
   99,499.52/137,304.84 = 54,176.36/x
3. Step 3: Cross multiply
   99,499.52x = 137,304.84 × 54,176.36
4. Step 4: Simplify right side
   99,499.52x = 7,438,676,441.58
5. Step 5: Solve for x
   x = 7,438,676,441.58/99,499.52
6. Step 6: Final answer
   x = 74,760.93