Finding the Fourth Proportional to 99,737.72, 149,481.82 and 49,831.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,737.72 : 149,481.82 = 49,831.82 : x
2. Step 2: Convert to fraction form
   99,737.72/149,481.82 = 49,831.82/x
3. Step 3: Cross multiply
   99,737.72x = 149,481.82 × 49,831.82
4. Step 4: Simplify right side
   99,737.72x = 7,448,951,147.51
5. Step 5: Solve for x
   x = 7,448,951,147.51/99,737.72
6. Step 6: Final answer
   x = 74,685.40