Finding the Fourth Proportional to 17,488.99, 24,134.72 and 9,531.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,488.99 : 24,134.72 = 9,531.21 : x
2. Step 2: Convert to fraction form
   17,488.99/24,134.72 = 9,531.21/x
3. Step 3: Cross multiply
   17,488.99x = 24,134.72 × 9,531.21
4. Step 4: Simplify right side
   17,488.99x = 230,033,036.96
5. Step 5: Solve for x
   x = 230,033,036.96/17,488.99
6. Step 6: Final answer
   x = 13,153.02