Finding the Fourth Proportional to 31,448.56, 43,398.70 and 17,301.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,448.56 : 43,398.70 = 17,301.42 : x
2. Step 2: Convert to fraction form
   31,448.56/43,398.70 = 17,301.42/x
3. Step 3: Cross multiply
   31,448.56x = 43,398.70 × 17,301.42
4. Step 4: Simplify right side
   31,448.56x = 750,859,136.15
5. Step 5: Solve for x
   x = 750,859,136.15/31,448.56
6. Step 6: Final answer
   x = 23,875.79