Finding the Fourth Proportional to 78,896.30, 108,878.81 and 43,086.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,896.30 : 108,878.81 = 43,086.02 : x
2. Step 2: Convert to fraction form
   78,896.30/108,878.81 = 43,086.02/x
3. Step 3: Cross multiply
   78,896.30x = 108,878.81 × 43,086.02
4. Step 4: Simplify right side
   78,896.30x = 4,691,153,825.41
5. Step 5: Solve for x
   x = 4,691,153,825.41/78,896.30
6. Step 6: Final answer
   x = 59,459.75