Finding the Fourth Proportional to 31,345.22, 43,259.33 and 17,913.85

Step by Step Solution

1. Step 1: Write the proportion equation
   31,345.22 : 43,259.33 = 17,913.85 : x
2. Step 2: Convert to fraction form
   31,345.22/43,259.33 = 17,913.85/x
3. Step 3: Cross multiply
   31,345.22x = 43,259.33 × 17,913.85
4. Step 4: Simplify right side
   31,345.22x = 774,941,148.72
5. Step 5: Solve for x
   x = 774,941,148.72/31,345.22
6. Step 6: Final answer
   x = 24,722.79