Finding the Fourth Proportional to 31,776.76, 43,851.18 and 17,629.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,776.76 : 43,851.18 = 17,629.24 : x
2. Step 2: Convert to fraction form
   31,776.76/43,851.18 = 17,629.24/x
3. Step 3: Cross multiply
   31,776.76x = 43,851.18 × 17,629.24
4. Step 4: Simplify right side
   31,776.76x = 773,062,976.50
5. Step 5: Solve for x
   x = 773,062,976.50/31,776.76
6. Step 6: Final answer
   x = 24,327.94