Finding the Fourth Proportional to 31,776.72, 43,852.68 and 17,629.80

Step by Step Solution

1. Step 1: Write the proportion equation
   31,776.72 : 43,852.68 = 17,629.80 : x
2. Step 2: Convert to fraction form
   31,776.72/43,852.68 = 17,629.80/x
3. Step 3: Cross multiply
   31,776.72x = 43,852.68 × 17,629.80
4. Step 4: Simplify right side
   31,776.72x = 773,113,977.86
5. Step 5: Solve for x
   x = 773,113,977.86/31,776.72
6. Step 6: Final answer
   x = 24,329.57