Finding the Fourth Proportional to 5,557.71, 8,337.78 and 1,662.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,557.71 : 8,337.78 = 1,662.15 : x
2. Step 2: Convert to fraction form
   5,557.71/8,337.78 = 1,662.15/x
3. Step 3: Cross multiply
   5,557.71x = 8,337.78 × 1,662.15
4. Step 4: Simplify right side
   5,557.71x = 13,858,641.03
5. Step 5: Solve for x
   x = 13,858,641.03/5,557.71
6. Step 6: Final answer
   x = 2,493.59