Finding the Fourth Proportional to 5,616.59, 8,388.39 and 5,281.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,616.59 : 8,388.39 = 5,281.25 : x
2. Step 2: Convert to fraction form
   5,616.59/8,388.39 = 5,281.25/x
3. Step 3: Cross multiply
   5,616.59x = 8,388.39 × 5,281.25
4. Step 4: Simplify right side
   5,616.59x = 44,301,142.75
5. Step 5: Solve for x
   x = 44,301,142.75/5,616.59
6. Step 6: Final answer
   x = 7,887.56