Finding the Fourth Proportional to 78,861.60, 108,830.70 and 43,053.12

Step by Step Solution

1. Step 1: Write the proportion equation
   78,861.60 : 108,830.70 = 43,053.12 : x
2. Step 2: Convert to fraction form
   78,861.60/108,830.70 = 43,053.12/x
3. Step 3: Cross multiply
   78,861.60x = 108,830.70 × 43,053.12
4. Step 4: Simplify right side
   78,861.60x = 4,685,501,186.78
5. Step 5: Solve for x
   x = 4,685,501,186.78/78,861.60
6. Step 6: Final answer
   x = 59,414.23