Finding the Fourth Proportional to 85,339.22, 128,025.34 and 32,744.61

Step by Step Solution

1. Step 1: Write the proportion equation
   85,339.22 : 128,025.34 = 32,744.61 : x
2. Step 2: Convert to fraction form
   85,339.22/128,025.34 = 32,744.61/x
3. Step 3: Cross multiply
   85,339.22x = 128,025.34 × 32,744.61
4. Step 4: Simplify right side
   85,339.22x = 4,192,139,746.56
5. Step 5: Solve for x
   x = 4,192,139,746.56/85,339.22
6. Step 6: Final answer
   x = 49,123.25