Finding the Fourth Proportional to 78,816.59, 108,766.00 and 43,007.20

Step by Step Solution

1. Step 1: Write the proportion equation
   78,816.59 : 108,766.00 = 43,007.20 : x
2. Step 2: Convert to fraction form
   78,816.59/108,766.00 = 43,007.20/x
3. Step 3: Cross multiply
   78,816.59x = 108,766.00 × 43,007.20
4. Step 4: Simplify right side
   78,816.59x = 4,677,721,266.94
5. Step 5: Solve for x
   x = 4,677,721,266.94/78,816.59
6. Step 6: Final answer
   x = 59,349.45