Finding the Fourth Proportional to 78,818.50, 108,772.15 and 43,010.47

Step by Step Solution

1. Step 1: Write the proportion equation
   78,818.50 : 108,772.15 = 43,010.47 : x
2. Step 2: Convert to fraction form
   78,818.50/108,772.15 = 43,010.47/x
3. Step 3: Cross multiply
   78,818.50x = 108,772.15 × 43,010.47
4. Step 4: Simplify right side
   78,818.50x = 4,678,341,294.41
5. Step 5: Solve for x
   x = 4,678,341,294.41/78,818.50
6. Step 6: Final answer
   x = 59,355.88