Finding the Fourth Proportional to 5,557.56, 8,336.52 and 1,662.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,557.56 : 8,336.52 = 1,662.18 : x
2. Step 2: Convert to fraction form
   5,557.56/8,336.52 = 1,662.18/x
3. Step 3: Cross multiply
   5,557.56x = 8,336.52 × 1,662.18
4. Step 4: Simplify right side
   5,557.56x = 13,856,796.81
5. Step 5: Solve for x
   x = 13,856,796.81/5,557.56
6. Step 6: Final answer
   x = 2,493.32