Finding the Fourth Proportional to 78,915.52, 108,904.32 and 43,106.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,915.52 : 108,904.32 = 43,106.56 : x
2. Step 2: Convert to fraction form
   78,915.52/108,904.32 = 43,106.56/x
3. Step 3: Cross multiply
   78,915.52x = 108,904.32 × 43,106.56
4. Step 4: Simplify right side
   78,915.52x = 4,694,490,604.34
5. Step 5: Solve for x
   x = 4,694,490,604.34/78,915.52
6. Step 6: Final answer
   x = 59,487.55