Finding the Fourth Proportional to 17,587.34, 24,270.45 and 9,521

Step by Step Solution

1. Step 1: Write the proportion equation
   17,587.34 : 24,270.45 = 9,521 : x
2. Step 2: Convert to fraction form
   17,587.34/24,270.45 = 9,521/x
3. Step 3: Cross multiply
   17,587.34x = 24,270.45 × 9,521
4. Step 4: Simplify right side
   17,587.34x = 231,078,954.45
5. Step 5: Solve for x
   x = 231,078,954.45/17,587.34
6. Step 6: Final answer
   x = 13,138.94