Finding the Fourth Proportional to 31,447.31, 43,399.40 and 17,301.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,447.31 : 43,399.40 = 17,301.06 : x
2. Step 2: Convert to fraction form
   31,447.31/43,399.40 = 17,301.06/x
3. Step 3: Cross multiply
   31,447.31x = 43,399.40 × 17,301.06
4. Step 4: Simplify right side
   31,447.31x = 750,855,536.86
5. Step 5: Solve for x
   x = 750,855,536.86/31,447.31
6. Step 6: Final answer
   x = 23,876.63