Finding the Fourth Proportional to 3,642.51, 5,026.48 and 2,049.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.51 : 5,026.48 = 2,049.20 : x
2. Step 2: Convert to fraction form
   3,642.51/5,026.48 = 2,049.20/x
3. Step 3: Cross multiply
   3,642.51x = 5,026.48 × 2,049.20
4. Step 4: Simplify right side
   3,642.51x = 10,300,232.56
5. Step 5: Solve for x
   x = 10,300,232.56/3,642.51
6. Step 6: Final answer
   x = 2,827.78