Finding the Fourth Proportional to 79,098.10, 109,155.12 and 43,288.40

Step by Step Solution

1. Step 1: Write the proportion equation
   79,098.10 : 109,155.12 = 43,288.40 : x
2. Step 2: Convert to fraction form
   79,098.10/109,155.12 = 43,288.40/x
3. Step 3: Cross multiply
   79,098.10x = 109,155.12 × 43,288.40
4. Step 4: Simplify right side
   79,098.10x = 4,725,150,496.61
5. Step 5: Solve for x
   x = 4,725,150,496.61/79,098.10
6. Step 6: Final answer
   x = 59,737.85