Finding the Fourth Proportional to 31,690.40, 43,733.28 and 17,350.00

Step by Step Solution

1. Step 1: Write the proportion equation
   31,690.40 : 43,733.28 = 17,350.00 : x
2. Step 2: Convert to fraction form
   31,690.40/43,733.28 = 17,350.00/x
3. Step 3: Cross multiply
   31,690.40x = 43,733.28 × 17,350.00
4. Step 4: Simplify right side
   31,690.40x = 758,772,151.60
5. Step 5: Solve for x
   x = 758,772,151.60/31,690.40
6. Step 6: Final answer
   x = 23,943.28