Finding the Fourth Proportional to 3,868.05, 5,339.19 and 2,752.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868.05 : 5,339.19 = 2,752.23 : x
2. Step 2: Convert to fraction form
   3,868.05/5,339.19 = 2,752.23/x
3. Step 3: Cross multiply
   3,868.05x = 5,339.19 × 2,752.23
4. Step 4: Simplify right side
   3,868.05x = 14,694,678.89
5. Step 5: Solve for x
   x = 14,694,678.89/3,868.05
6. Step 6: Final answer
   x = 3,798.99