Finding the Fourth Proportional to 17,658.38, 24,390.16 and 13,201.94

Step by Step Solution

1. Step 1: Write the proportion equation
   17,658.38 : 24,390.16 = 13,201.94 : x
2. Step 2: Convert to fraction form
   17,658.38/24,390.16 = 13,201.94/x
3. Step 3: Cross multiply
   17,658.38x = 24,390.16 × 13,201.94
4. Step 4: Simplify right side
   17,658.38x = 321,997,428.91
5. Step 5: Solve for x
   x = 321,997,428.91/17,658.38
6. Step 6: Final answer
   x = 18,234.82