Finding the Fourth Proportional to 80,513.19, 120,785.12 and 32,485.61

Step by Step Solution

1. Step 1: Write the proportion equation
   80,513.19 : 120,785.12 = 32,485.61 : x
2. Step 2: Convert to fraction form
   80,513.19/120,785.12 = 32,485.61/x
3. Step 3: Cross multiply
   80,513.19x = 120,785.12 × 32,485.61
4. Step 4: Simplify right side
   80,513.19x = 3,923,778,066.79
5. Step 5: Solve for x
   x = 3,923,778,066.79/80,513.19
6. Step 6: Final answer
   x = 48,734.60