Finding the Fourth Proportional to 31,490.28, 43,456.59 and 17,343.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,490.28 : 43,456.59 = 17,343.14 : x
2. Step 2: Convert to fraction form
   31,490.28/43,456.59 = 17,343.14/x
3. Step 3: Cross multiply
   31,490.28x = 43,456.59 × 17,343.14
4. Step 4: Simplify right side
   31,490.28x = 753,673,507.01
5. Step 5: Solve for x
   x = 753,673,507.01/31,490.28
6. Step 6: Final answer
   x = 23,933.53