Finding the Fourth Proportional to 31,470.68, 43,429.56 and 17,323.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,470.68 : 43,429.56 = 17,323.76 : x
2. Step 2: Convert to fraction form
   31,470.68/43,429.56 = 17,323.76/x
3. Step 3: Cross multiply
   31,470.68x = 43,429.56 × 17,323.76
4. Step 4: Simplify right side
   31,470.68x = 752,363,274.35
5. Step 5: Solve for x
   x = 752,363,274.35/31,470.68
6. Step 6: Final answer
   x = 23,906.80