Finding the Fourth Proportional to 72,487.73, 108,687.91 and 32,499.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,487.73 : 108,687.91 = 32,499.48 : x
2. Step 2: Convert to fraction form
   72,487.73/108,687.91 = 32,499.48/x
3. Step 3: Cross multiply
   72,487.73x = 108,687.91 × 32,499.48
4. Step 4: Simplify right side
   72,487.73x = 3,532,300,333.18
5. Step 5: Solve for x
   x = 3,532,300,333.18/72,487.73
6. Step 6: Final answer
   x = 48,729.63