Finding the Fourth Proportional to 78,931.92, 108,925.65 and 43,123.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,931.92 : 108,925.65 = 43,123.98 : x
2. Step 2: Convert to fraction form
   78,931.92/108,925.65 = 43,123.98/x
3. Step 3: Cross multiply
   78,931.92x = 108,925.65 × 43,123.98
4. Step 4: Simplify right side
   78,931.92x = 4,697,307,552.09
5. Step 5: Solve for x
   x = 4,697,307,552.09/78,931.92
6. Step 6: Final answer
   x = 59,510.87