Finding the Fourth Proportional to 31,216.86, 43,079.31 and 17,605.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,216.86 : 43,079.31 = 17,605.08 : x
2. Step 2: Convert to fraction form
   31,216.86/43,079.31 = 17,605.08/x
3. Step 3: Cross multiply
   31,216.86x = 43,079.31 × 17,605.08
4. Step 4: Simplify right side
   31,216.86x = 758,414,698.89
5. Step 5: Solve for x
   x = 758,414,698.89/31,216.86
6. Step 6: Final answer
   x = 24,295.03