Finding the Fourth Proportional to 72,758.72, 100,398.88 and 40,926.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,758.72 : 100,398.88 = 40,926.92 : x
2. Step 2: Convert to fraction form
   72,758.72/100,398.88 = 40,926.92/x
3. Step 3: Cross multiply
   72,758.72x = 100,398.88 × 40,926.92
4. Step 4: Simplify right side
   72,758.72x = 4,109,016,929.85
5. Step 5: Solve for x
   x = 4,109,016,929.85/72,758.72
6. Step 6: Final answer
   x = 56,474.56