Finding the Fourth Proportional to 5,560.68, 8,333.24 and 3,688.77

Step by Step Solution

1. Step 1: Write the proportion equation
   5,560.68 : 8,333.24 = 3,688.77 : x
2. Step 2: Convert to fraction form
   5,560.68/8,333.24 = 3,688.77/x
3. Step 3: Cross multiply
   5,560.68x = 8,333.24 × 3,688.77
4. Step 4: Simplify right side
   5,560.68x = 30,739,387.27
5. Step 5: Solve for x
   x = 30,739,387.27/5,560.68
6. Step 6: Final answer
   x = 5,527.99