Finding the Fourth Proportional to 99,832.30, 137,767.53 and 54,510.15

Step by Step Solution

1. Step 1: Write the proportion equation
   99,832.30 : 137,767.53 = 54,510.15 : x
2. Step 2: Convert to fraction form
   99,832.30/137,767.53 = 54,510.15/x
3. Step 3: Cross multiply
   99,832.30x = 137,767.53 × 54,510.15
4. Step 4: Simplify right side
   99,832.30x = 7,509,728,725.43
5. Step 5: Solve for x
   x = 7,509,728,725.43/99,832.30
6. Step 6: Final answer
   x = 75,223.44