Finding the Fourth Proportional to 99,825.92, 137,756.16 and 55,112.96

Step by Step Solution

1. Step 1: Write the proportion equation
   99,825.92 : 137,756.16 = 55,112.96 : x
2. Step 2: Convert to fraction form
   99,825.92/137,756.16 = 55,112.96/x
3. Step 3: Cross multiply
   99,825.92x = 137,756.16 × 55,112.96
4. Step 4: Simplify right side
   99,825.92x = 7,592,149,735.83
5. Step 5: Solve for x
   x = 7,592,149,735.83/99,825.92
6. Step 6: Final answer
   x = 76,053.89