Finding the Fourth Proportional to 17,298.76, 25,943.82 and 5,615.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,298.76 : 25,943.82 = 5,615.32 : x
2. Step 2: Convert to fraction form
   17,298.76/25,943.82 = 5,615.32/x
3. Step 3: Cross multiply
   17,298.76x = 25,943.82 × 5,615.32
4. Step 4: Simplify right side
   17,298.76x = 145,682,851.32
5. Step 5: Solve for x
   x = 145,682,851.32/17,298.76
6. Step 6: Final answer
   x = 8,421.58