Finding the Fourth Proportional to 8,296.32, 12,448.32 and 3,680.64

Step by Step Solution

1. Step 1: Write the proportion equation
   8,296.32 : 12,448.32 = 3,680.64 : x
2. Step 2: Convert to fraction form
   8,296.32/12,448.32 = 3,680.64/x
3. Step 3: Cross multiply
   8,296.32x = 12,448.32 × 3,680.64
4. Step 4: Simplify right side
   8,296.32x = 45,817,784.52
5. Step 5: Solve for x
   x = 45,817,784.52/8,296.32
6. Step 6: Final answer
   x = 5,522.66