Finding the Fourth Proportional to 31,425.20, 43,366.83 and 17,278.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,425.20 : 43,366.83 = 17,278.04 : x
2. Step 2: Convert to fraction form
   31,425.20/43,366.83 = 17,278.04/x
3. Step 3: Cross multiply
   31,425.20x = 43,366.83 × 17,278.04
4. Step 4: Simplify right side
   31,425.20x = 749,293,931.83
5. Step 5: Solve for x
   x = 749,293,931.83/31,425.20
6. Step 6: Final answer
   x = 23,843.73