Finding the Fourth Proportional to 8,464.16, 12,681.25 and 5,693.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,464.16 : 12,681.25 = 5,693.15 : x
2. Step 2: Convert to fraction form
   8,464.16/12,681.25 = 5,693.15/x
3. Step 3: Cross multiply
   8,464.16x = 12,681.25 × 5,693.15
4. Step 4: Simplify right side
   8,464.16x = 72,196,180.80
5. Step 5: Solve for x
   x = 72,196,180.80/8,464.16
6. Step 6: Final answer
   x = 8,529.64