Finding the Fourth Proportional to 78,908.77, 108,892.34 and 43,098.91

Step by Step Solution

1. Step 1: Write the proportion equation
   78,908.77 : 108,892.34 = 43,098.91 : x
2. Step 2: Convert to fraction form
   78,908.77/108,892.34 = 43,098.91/x
3. Step 3: Cross multiply
   78,908.77x = 108,892.34 × 43,098.91
4. Step 4: Simplify right side
   78,908.77x = 4,693,141,269.10
5. Step 5: Solve for x
   x = 4,693,141,269.10/78,908.77
6. Step 6: Final answer
   x = 59,475.53