Finding the Fourth Proportional to 78,915.50, 108,902.75 and 43,105.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,915.50 : 108,902.75 = 43,105.52 : x
2. Step 2: Convert to fraction form
   78,915.50/108,902.75 = 43,105.52/x
3. Step 3: Cross multiply
   78,915.50x = 108,902.75 × 43,105.52
4. Step 4: Simplify right side
   78,915.50x = 4,694,309,452.65
5. Step 5: Solve for x
   x = 4,694,309,452.65/78,915.50
6. Step 6: Final answer
   x = 59,485.27