Finding the Fourth Proportional to 31,422.18, 43,363.38 and 17,275.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,422.18 : 43,363.38 = 17,275.05 : x
2. Step 2: Convert to fraction form
   31,422.18/43,363.38 = 17,275.05/x
3. Step 3: Cross multiply
   31,422.18x = 43,363.38 × 17,275.05
4. Step 4: Simplify right side
   31,422.18x = 749,104,557.67
5. Step 5: Solve for x
   x = 749,104,557.67/31,422.18
6. Step 6: Final answer
   x = 23,839.99