Finding the Fourth Proportional to 78,943.83, 108,949.88 and 43,139.16

Step by Step Solution

1. Step 1: Write the proportion equation
   78,943.83 : 108,949.88 = 43,139.16 : x
2. Step 2: Convert to fraction form
   78,943.83/108,949.88 = 43,139.16/x
3. Step 3: Cross multiply
   78,943.83x = 108,949.88 × 43,139.16
4. Step 4: Simplify right side
   78,943.83x = 4,700,006,305.30
5. Step 5: Solve for x
   x = 4,700,006,305.30/78,943.83
6. Step 6: Final answer
   x = 59,536.08