Finding the Fourth Proportional to 2,076.16, 2,868.24 and 1,551.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.16 : 2,868.24 = 1,551.28 : x
2. Step 2: Convert to fraction form
   2,076.16/2,868.24 = 1,551.28/x
3. Step 3: Cross multiply
   2,076.16x = 2,868.24 × 1,551.28
4. Step 4: Simplify right side
   2,076.16x = 4,449,443.35
5. Step 5: Solve for x
   x = 4,449,443.35/2,076.16
6. Step 6: Final answer
   x = 2,143.11