Finding the Fourth Proportional to 99,411.83, 137,184.22 and 54,089.99

Step by Step Solution

1. Step 1: Write the proportion equation
   99,411.83 : 137,184.22 = 54,089.99 : x
2. Step 2: Convert to fraction form
   99,411.83/137,184.22 = 54,089.99/x
3. Step 3: Cross multiply
   99,411.83x = 137,184.22 × 54,089.99
4. Step 4: Simplify right side
   99,411.83x = 7,420,293,087.96
5. Step 5: Solve for x
   x = 7,420,293,087.96/99,411.83
6. Step 6: Final answer
   x = 74,641.95