Finding the Fourth Proportional to 85,383.83, 128,081.90 and 32,793.32

Step by Step Solution

1. Step 1: Write the proportion equation
   85,383.83 : 128,081.90 = 32,793.32 : x
2. Step 2: Convert to fraction form
   85,383.83/128,081.90 = 32,793.32/x
3. Step 3: Cross multiply
   85,383.83x = 128,081.90 × 32,793.32
4. Step 4: Simplify right side
   85,383.83x = 4,200,230,174.48
5. Step 5: Solve for x
   x = 4,200,230,174.48/85,383.83
6. Step 6: Final answer
   x = 49,192.34