Finding the Fourth Proportional to 17,580.55, 24,260.22 and 9,621.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,580.55 : 24,260.22 = 9,621.24 : x
2. Step 2: Convert to fraction form
   17,580.55/24,260.22 = 9,621.24/x
3. Step 3: Cross multiply
   17,580.55x = 24,260.22 × 9,621.24
4. Step 4: Simplify right side
   17,580.55x = 233,413,277.77
5. Step 5: Solve for x
   x = 233,413,277.77/17,580.55
6. Step 6: Final answer
   x = 13,276.79