Finding the Fourth Proportional to 78,915.62, 108,902.04 and 43,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,915.62 : 108,902.04 = 43,105.88 : x
2. Step 2: Convert to fraction form
   78,915.62/108,902.04 = 43,105.88/x
3. Step 3: Cross multiply
   78,915.62x = 108,902.04 × 43,105.88
4. Step 4: Simplify right side
   78,915.62x = 4,694,318,268.00
5. Step 5: Solve for x
   x = 4,694,318,268.00/78,915.62
6. Step 6: Final answer
   x = 59,485.29