Finding the Fourth Proportional to 78,925.31, 108,924.42 and 43,120.71

Step by Step Solution

1. Step 1: Write the proportion equation
   78,925.31 : 108,924.42 = 43,120.71 : x
2. Step 2: Convert to fraction form
   78,925.31/108,924.42 = 43,120.71/x
3. Step 3: Cross multiply
   78,925.31x = 108,924.42 × 43,120.71
4. Step 4: Simplify right side
   78,925.31x = 4,696,898,326.74
5. Step 5: Solve for x
   x = 4,696,898,326.74/78,925.31
6. Step 6: Final answer
   x = 59,510.68