Finding the Fourth Proportional to 17,032.72, 23,505.15 and 9,580.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,032.72 : 23,505.15 = 9,580.72 : x
2. Step 2: Convert to fraction form
   17,032.72/23,505.15 = 9,580.72/x
3. Step 3: Cross multiply
   17,032.72x = 23,505.15 × 9,580.72
4. Step 4: Simplify right side
   17,032.72x = 225,196,260.71
5. Step 5: Solve for x
   x = 225,196,260.71/17,032.72
6. Step 6: Final answer
   x = 13,221.39