Finding the Fourth Proportional to 78,892.16, 108,866.88 and 43,081.60

Step by Step Solution

1. Step 1: Write the proportion equation
   78,892.16 : 108,866.88 = 43,081.60 : x
2. Step 2: Convert to fraction form
   78,892.16/108,866.88 = 43,081.60/x
3. Step 3: Cross multiply
   78,892.16x = 108,866.88 × 43,081.60
4. Step 4: Simplify right side
   78,892.16x = 4,690,159,377.41
5. Step 5: Solve for x
   x = 4,690,159,377.41/78,892.16
6. Step 6: Final answer
   x = 59,450.26