Finding the Fourth Proportional to 5,520.55, 7,618.43 and 3,162.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,520.55 : 7,618.43 = 3,162.69 : x
2. Step 2: Convert to fraction form
   5,520.55/7,618.43 = 3,162.69/x
3. Step 3: Cross multiply
   5,520.55x = 7,618.43 × 3,162.69
4. Step 4: Simplify right side
   5,520.55x = 24,094,732.38
5. Step 5: Solve for x
   x = 24,094,732.38/5,520.55
6. Step 6: Final answer
   x = 4,364.55