Finding the Fourth Proportional to 72,113.20, 108,167.37 and 32,642.71

Step by Step Solution

1. Step 1: Write the proportion equation
   72,113.20 : 108,167.37 = 32,642.71 : x
2. Step 2: Convert to fraction form
   72,113.20/108,167.37 = 32,642.71/x
3. Step 3: Cross multiply
   72,113.20x = 108,167.37 × 32,642.71
4. Step 4: Simplify right side
   72,113.20x = 3,530,876,090.37
5. Step 5: Solve for x
   x = 3,530,876,090.37/72,113.20
6. Step 6: Final answer
   x = 48,962.97