Finding the Fourth Proportional to 17,276.76, 25,918.98 and 5,589.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,276.76 : 25,918.98 = 5,589.72 : x
2. Step 2: Convert to fraction form
   17,276.76/25,918.98 = 5,589.72/x
3. Step 3: Cross multiply
   17,276.76x = 25,918.98 × 5,589.72
4. Step 4: Simplify right side
   17,276.76x = 144,879,840.89
5. Step 5: Solve for x
   x = 144,879,840.89/17,276.76
6. Step 6: Final answer
   x = 8,385.82