Finding the Fourth Proportional to 17,745.76, 24,473.96 and 12,658.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,745.76 : 24,473.96 = 12,658.56 : x
2. Step 2: Convert to fraction form
   17,745.76/24,473.96 = 12,658.56/x
3. Step 3: Cross multiply
   17,745.76x = 24,473.96 × 12,658.56
4. Step 4: Simplify right side
   17,745.76x = 309,805,091.10
5. Step 5: Solve for x
   x = 309,805,091.10/17,745.76
6. Step 6: Final answer
   x = 17,457.98