Finding the Fourth Proportional to 72,062.32, 108,065.76 and 49,808.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,062.32 : 108,065.76 = 49,808.24 : x
2. Step 2: Convert to fraction form
   72,062.32/108,065.76 = 49,808.24/x
3. Step 3: Cross multiply
   72,062.32x = 108,065.76 × 49,808.24
4. Step 4: Simplify right side
   72,062.32x = 5,382,565,309.86
5. Step 5: Solve for x
   x = 5,382,565,309.86/72,062.32
6. Step 6: Final answer
   x = 74,693.20