Finding the Fourth Proportional to 5,085.55, 7,632.42 and 2,748.19

Step by Step Solution

1. Step 1: Write the proportion equation
   5,085.55 : 7,632.42 = 2,748.19 : x
2. Step 2: Convert to fraction form
   5,085.55/7,632.42 = 2,748.19/x
3. Step 3: Cross multiply
   5,085.55x = 7,632.42 × 2,748.19
4. Step 4: Simplify right side
   5,085.55x = 20,975,340.32
5. Step 5: Solve for x
   x = 20,975,340.32/5,085.55
6. Step 6: Final answer
   x = 4,124.50