Finding the Fourth Proportional to 6,387.72, 9,577.62 and 3,616.26

Step by Step Solution

1. Step 1: Write the proportion equation
   6,387.72 : 9,577.62 = 3,616.26 : x
2. Step 2: Convert to fraction form
   6,387.72/9,577.62 = 3,616.26/x
3. Step 3: Cross multiply
   6,387.72x = 9,577.62 × 3,616.26
4. Step 4: Simplify right side
   6,387.72x = 34,635,164.10
5. Step 5: Solve for x
   x = 34,635,164.10/6,387.72
6. Step 6: Final answer
   x = 5,422.15