Finding the Fourth Proportional to 52,662.72, 72,675.92 and 31,454.20

Step by Step Solution

1. Step 1: Write the proportion equation
   52,662.72 : 72,675.92 = 31,454.20 : x
2. Step 2: Convert to fraction form
   52,662.72/72,675.92 = 31,454.20/x
3. Step 3: Cross multiply
   52,662.72x = 72,675.92 × 31,454.20
4. Step 4: Simplify right side
   52,662.72x = 2,285,962,922.86
5. Step 5: Solve for x
   x = 2,285,962,922.86/52,662.72
6. Step 6: Final answer
   x = 43,407.61