Finding the Fourth Proportional to 31,645.56, 43,671.72 and 17,306.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,645.56 : 43,671.72 = 17,306.10 : x
2. Step 2: Convert to fraction form
   31,645.56/43,671.72 = 17,306.10/x
3. Step 3: Cross multiply
   31,645.56x = 43,671.72 × 17,306.10
4. Step 4: Simplify right side
   31,645.56x = 755,787,153.49
5. Step 5: Solve for x
   x = 755,787,153.49/31,645.56
6. Step 6: Final answer
   x = 23,882.88