Finding the Fourth Proportional to 5,557.72, 8,337.96 and 1,662.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,557.72 : 8,337.96 = 1,662.16 : x
2. Step 2: Convert to fraction form
   5,557.72/8,337.96 = 1,662.16/x
3. Step 3: Cross multiply
   5,557.72x = 8,337.96 × 1,662.16
4. Step 4: Simplify right side
   5,557.72x = 13,859,023.59
5. Step 5: Solve for x
   x = 13,859,023.59/5,557.72
6. Step 6: Final answer
   x = 2,493.65