Finding the Fourth Proportional to 6,520.17, 8,997.77 and 3,688.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,520.17 : 8,997.77 = 3,688.10 : x
2. Step 2: Convert to fraction form
   6,520.17/8,997.77 = 3,688.10/x
3. Step 3: Cross multiply
   6,520.17x = 8,997.77 × 3,688.10
4. Step 4: Simplify right side
   6,520.17x = 33,184,650.43
5. Step 5: Solve for x
   x = 33,184,650.43/6,520.17
6. Step 6: Final answer
   x = 5,089.54