Finding the Fourth Proportional to 31,372.55, 43,294.59 and 17,225.39

Step by Step Solution

1. Step 1: Write the proportion equation
   31,372.55 : 43,294.59 = 17,225.39 : x
2. Step 2: Convert to fraction form
   31,372.55/43,294.59 = 17,225.39/x
3. Step 3: Cross multiply
   31,372.55x = 43,294.59 × 17,225.39
4. Step 4: Simplify right side
   31,372.55x = 745,765,981.17
5. Step 5: Solve for x
   x = 745,765,981.17/31,372.55
6. Step 6: Final answer
   x = 23,771.29