Finding the Fourth Proportional to 17,671.28, 24,379.61 and 13,082.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,671.28 : 24,379.61 = 13,082.99 : x
2. Step 2: Convert to fraction form
   17,671.28/24,379.61 = 13,082.99/x
3. Step 3: Cross multiply
   17,671.28x = 24,379.61 × 13,082.99
4. Step 4: Simplify right side
   17,671.28x = 318,958,100.18
5. Step 5: Solve for x
   x = 318,958,100.18/17,671.28
6. Step 6: Final answer
   x = 18,049.52