Finding the Fourth Proportional to 85,384.22, 128,082.50 and 32,793.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,384.22 : 128,082.50 = 32,793.72 : x
2. Step 2: Convert to fraction form
   85,384.22/128,082.50 = 32,793.72/x
3. Step 3: Cross multiply
   85,384.22x = 128,082.50 × 32,793.72
4. Step 4: Simplify right side
   85,384.22x = 4,200,301,641.90
5. Step 5: Solve for x
   x = 4,200,301,641.90/85,384.22
6. Step 6: Final answer
   x = 49,192.95