Finding the Fourth Proportional to 17,475, 24,126.48 and 13,488.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,475 : 24,126.48 = 13,488.72 : x
2. Step 2: Convert to fraction form
   17,475/24,126.48 = 13,488.72/x
3. Step 3: Cross multiply
   17,475x = 24,126.48 × 13,488.72
4. Step 4: Simplify right side
   17,475x = 325,435,333.31
5. Step 5: Solve for x
   x = 325,435,333.31/17,475
6. Step 6: Final answer
   x = 18,622.91