Finding the Fourth Proportional to 72,467.31, 108,723.59 and 32,519.78

Step by Step Solution

1. Step 1: Write the proportion equation
   72,467.31 : 108,723.59 = 32,519.78 : x
2. Step 2: Convert to fraction form
   72,467.31/108,723.59 = 32,519.78/x
3. Step 3: Cross multiply
   72,467.31x = 108,723.59 × 32,519.78
4. Step 4: Simplify right side
   72,467.31x = 3,535,667,227.61
5. Step 5: Solve for x
   x = 3,535,667,227.61/72,467.31
6. Step 6: Final answer
   x = 48,789.82