Finding the Fourth Proportional to 5,522.37, 8,289.69 and 2,748.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,522.37 : 8,289.69 = 2,748.30 : x
2. Step 2: Convert to fraction form
   5,522.37/8,289.69 = 2,748.30/x
3. Step 3: Cross multiply
   5,522.37x = 8,289.69 × 2,748.30
4. Step 4: Simplify right side
   5,522.37x = 22,782,541.29
5. Step 5: Solve for x
   x = 22,782,541.29/5,522.37
6. Step 6: Final answer
   x = 4,125.50