Finding the Fourth Proportional to 78,887.08, 108,862.18 and 43,078.12

Step by Step Solution

1. Step 1: Write the proportion equation
   78,887.08 : 108,862.18 = 43,078.12 : x
2. Step 2: Convert to fraction form
   78,887.08/108,862.18 = 43,078.12/x
3. Step 3: Cross multiply
   78,887.08x = 108,862.18 × 43,078.12
4. Step 4: Simplify right side
   78,887.08x = 4,689,578,053.50
5. Step 5: Solve for x
   x = 4,689,578,053.50/78,887.08
6. Step 6: Final answer
   x = 59,446.72