Finding the Fourth Proportional to 72,386.15, 108,601.65 and 32,438.79

Step by Step Solution

1. Step 1: Write the proportion equation
   72,386.15 : 108,601.65 = 32,438.79 : x
2. Step 2: Convert to fraction form
   72,386.15/108,601.65 = 32,438.79/x
3. Step 3: Cross multiply
   72,386.15x = 108,601.65 × 32,438.79
4. Step 4: Simplify right side
   72,386.15x = 3,522,906,118.00
5. Step 5: Solve for x
   x = 3,522,906,118.00/72,386.15
6. Step 6: Final answer
   x = 48,668.24