Finding the Fourth Proportional to 6,410.72, 8,847.52 and 3,616

Step by Step Solution

1. Step 1: Write the proportion equation
   6,410.72 : 8,847.52 = 3,616 : x
2. Step 2: Convert to fraction form
   6,410.72/8,847.52 = 3,616/x
3. Step 3: Cross multiply
   6,410.72x = 8,847.52 × 3,616
4. Step 4: Simplify right side
   6,410.72x = 31,992,632.32
5. Step 5: Solve for x
   x = 31,992,632.32/6,410.72
6. Step 6: Final answer
   x = 4,990.49