Finding the Fourth Proportional to 31,404.79, 43,338.12 and 17,257.33

Step by Step Solution

1. Step 1: Write the proportion equation
   31,404.79 : 43,338.12 = 17,257.33 : x
2. Step 2: Convert to fraction form
   31,404.79/43,338.12 = 17,257.33/x
3. Step 3: Cross multiply
   31,404.79x = 43,338.12 × 17,257.33
4. Step 4: Simplify right side
   31,404.79x = 747,900,238.42
5. Step 5: Solve for x
   x = 747,900,238.42/31,404.79
6. Step 6: Final answer
   x = 23,814.85