Finding the Fourth Proportional to 31,348.72, 43,260.42 and 17,550.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,348.72 : 43,260.42 = 17,550.86 : x
2. Step 2: Convert to fraction form
   31,348.72/43,260.42 = 17,550.86/x
3. Step 3: Cross multiply
   31,348.72x = 43,260.42 × 17,550.86
4. Step 4: Simplify right side
   31,348.72x = 759,257,574.96
5. Step 5: Solve for x
   x = 759,257,574.96/31,348.72
6. Step 6: Final answer
   x = 24,219.73