Finding the Fourth Proportional to 72,697.80, 109,079.10 and 33,234.60

Step by Step Solution

1. Step 1: Write the proportion equation
   72,697.80 : 109,079.10 = 33,234.60 : x
2. Step 2: Convert to fraction form
   72,697.80/109,079.10 = 33,234.60/x
3. Step 3: Cross multiply
   72,697.80x = 109,079.10 × 33,234.60
4. Step 4: Simplify right side
   72,697.80x = 3,625,200,256.86
5. Step 5: Solve for x
   x = 3,625,200,256.86/72,697.80
6. Step 6: Final answer
   x = 49,866.71