Finding the Fourth Proportional to 99,522.42, 137,339.99 and 54,201.16

Step by Step Solution

1. Step 1: Write the proportion equation
   99,522.42 : 137,339.99 = 54,201.16 : x
2. Step 2: Convert to fraction form
   99,522.42/137,339.99 = 54,201.16/x
3. Step 3: Cross multiply
   99,522.42x = 137,339.99 × 54,201.16
4. Step 4: Simplify right side
   99,522.42x = 7,443,986,501.38
5. Step 5: Solve for x
   x = 7,443,986,501.38/99,522.42
6. Step 6: Final answer
   x = 74,797.08