Finding the Fourth Proportional to 31,778.98, 43,854.85 and 17,631.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,778.98 : 43,854.85 = 17,631.82 : x
2. Step 2: Convert to fraction form
   31,778.98/43,854.85 = 17,631.82/x
3. Step 3: Cross multiply
   31,778.98x = 43,854.85 × 17,631.82
4. Step 4: Simplify right side
   31,778.98x = 773,240,821.33
5. Step 5: Solve for x
   x = 773,240,821.33/31,778.98
6. Step 6: Final answer
   x = 24,331.83