Finding the Fourth Proportional to 17,270.64, 25,899.48 and 5,580.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,270.64 : 25,899.48 = 5,580.72 : x
2. Step 2: Convert to fraction form
   17,270.64/25,899.48 = 5,580.72/x
3. Step 3: Cross multiply
   17,270.64x = 25,899.48 × 5,580.72
4. Step 4: Simplify right side
   17,270.64x = 144,537,746.03
5. Step 5: Solve for x
   x = 144,537,746.03/17,270.64
6. Step 6: Final answer
   x = 8,368.99