Finding the Fourth Proportional to 72,452.12, 108,678.60 and 32,981.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,452.12 : 108,678.60 = 32,981.63 : x
2. Step 2: Convert to fraction form
   72,452.12/108,678.60 = 32,981.63/x
3. Step 3: Cross multiply
   72,452.12x = 108,678.60 × 32,981.63
4. Step 4: Simplify right side
   72,452.12x = 3,584,396,830.73
5. Step 5: Solve for x
   x = 3,584,396,830.73/72,452.12
6. Step 6: Final answer
   x = 49,472.63