Finding the Fourth Proportional to 85,996.15, 128,920.71 and 32,658.27

Step by Step Solution

1. Step 1: Write the proportion equation
   85,996.15 : 128,920.71 = 32,658.27 : x
2. Step 2: Convert to fraction form
   85,996.15/128,920.71 = 32,658.27/x
3. Step 3: Cross multiply
   85,996.15x = 128,920.71 × 32,658.27
4. Step 4: Simplify right side
   85,996.15x = 4,210,327,355.77
5. Step 5: Solve for x
   x = 4,210,327,355.77/85,996.15
6. Step 6: Final answer
   x = 48,959.49