Finding the Fourth Proportional to 99,411.08, 137,189.82 and 54,091.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,411.08 : 137,189.82 = 54,091.52 : x
2. Step 2: Convert to fraction form
   99,411.08/137,189.82 = 54,091.52/x
3. Step 3: Cross multiply
   99,411.08x = 137,189.82 × 54,091.52
4. Step 4: Simplify right side
   99,411.08x = 7,420,805,892.33
5. Step 5: Solve for x
   x = 7,420,805,892.33/99,411.08
6. Step 6: Final answer
   x = 74,647.67