Finding the Fourth Proportional to 108,737.46, 150,124.98 and 72,489.96

Step by Step Solution

1. Step 1: Write the proportion equation
   108,737.46 : 150,124.98 = 72,489.96 : x
2. Step 2: Convert to fraction form
   108,737.46/150,124.98 = 72,489.96/x
3. Step 3: Cross multiply
   108,737.46x = 150,124.98 × 72,489.96
4. Step 4: Simplify right side
   108,737.46x = 10,882,553,795.20
5. Step 5: Solve for x
   x = 10,882,553,795.20/108,737.46
6. Step 6: Final answer
   x = 100,081.00