Finding the Fourth Proportional to 8,346.16, 12,521.76 and 3,664.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,346.16 : 12,521.76 = 3,664.24 : x
2. Step 2: Convert to fraction form
   8,346.16/12,521.76 = 3,664.24/x
3. Step 3: Cross multiply
   8,346.16x = 12,521.76 × 3,664.24
4. Step 4: Simplify right side
   8,346.16x = 45,882,733.86
5. Step 5: Solve for x
   x = 45,882,733.86/8,346.16
6. Step 6: Final answer
   x = 5,497.47