Finding the Fourth Proportional to 79,311.52, 109,454.88 and 52,406.80

Step by Step Solution

1. Step 1: Write the proportion equation
   79,311.52 : 109,454.88 = 52,406.80 : x
2. Step 2: Convert to fraction form
   79,311.52/109,454.88 = 52,406.80/x
3. Step 3: Cross multiply
   79,311.52x = 109,454.88 × 52,406.80
4. Step 4: Simplify right side
   79,311.52x = 5,736,180,005.18
5. Step 5: Solve for x
   x = 5,736,180,005.18/79,311.52
6. Step 6: Final answer
   x = 72,324.68