Finding the Fourth Proportional to 5,443.52, 8,167.10 and 2,157.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.52 : 8,167.10 = 2,157.55 : x
2. Step 2: Convert to fraction form
   5,443.52/8,167.10 = 2,157.55/x
3. Step 3: Cross multiply
   5,443.52x = 8,167.10 × 2,157.55
4. Step 4: Simplify right side
   5,443.52x = 17,620,895.40
5. Step 5: Solve for x
   x = 17,620,895.40/5,443.52
6. Step 6: Final answer
   x = 3,237.04