Finding the Fourth Proportional to 3,648.88, 5,035.68 and 2,077.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.88 : 5,035.68 = 2,077.24 : x
2. Step 2: Convert to fraction form
   3,648.88/5,035.68 = 2,077.24/x
3. Step 3: Cross multiply
   3,648.88x = 5,035.68 × 2,077.24
4. Step 4: Simplify right side
   3,648.88x = 10,460,315.92
5. Step 5: Solve for x
   x = 10,460,315.92/3,648.88
6. Step 6: Final answer
   x = 2,866.72