Finding the Fourth Proportional to 80,401.12, 120,573.42 and 33,002.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,401.12 : 120,573.42 = 33,002.50 : x
2. Step 2: Convert to fraction form
   80,401.12/120,573.42 = 33,002.50/x
3. Step 3: Cross multiply
   80,401.12x = 120,573.42 × 33,002.50
4. Step 4: Simplify right side
   80,401.12x = 3,979,224,293.55
5. Step 5: Solve for x
   x = 3,979,224,293.55/80,401.12
6. Step 6: Final answer
   x = 49,492.15