Finding the Fourth Proportional to 8,275.84, 12,417.60 and 3,658.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,275.84 : 12,417.60 = 3,658.24 : x
2. Step 2: Convert to fraction form
   8,275.84/12,417.60 = 3,658.24/x
3. Step 3: Cross multiply
   8,275.84x = 12,417.60 × 3,658.24
4. Step 4: Simplify right side
   8,275.84x = 45,426,561.02
5. Step 5: Solve for x
   x = 45,426,561.02/8,275.84
6. Step 6: Final answer
   x = 5,489.06