Finding the Fourth Proportional to 99,810, 137,737.92 and 55,098

Step by Step Solution

1. Step 1: Write the proportion equation
   99,810 : 137,737.92 = 55,098 : x
2. Step 2: Convert to fraction form
   99,810/137,737.92 = 55,098/x
3. Step 3: Cross multiply
   99,810x = 137,737.92 × 55,098
4. Step 4: Simplify right side
   99,810x = 7,589,083,916.16
5. Step 5: Solve for x
   x = 7,589,083,916.16/99,810
6. Step 6: Final answer
   x = 76,035.31