Finding the Fourth Proportional to 5,513.47, 8,268.96 and 1,618.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,513.47 : 8,268.96 = 1,618.18 : x
2. Step 2: Convert to fraction form
   5,513.47/8,268.96 = 1,618.18/x
3. Step 3: Cross multiply
   5,513.47x = 8,268.96 × 1,618.18
4. Step 4: Simplify right side
   5,513.47x = 13,380,665.69
5. Step 5: Solve for x
   x = 13,380,665.69/5,513.47
6. Step 6: Final answer
   x = 2,426.90