Finding the Fourth Proportional to 2,521.72, 3,778.26 and 1,368.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.72 : 3,778.26 = 1,368.28 : x
2. Step 2: Convert to fraction form
   2,521.72/3,778.26 = 1,368.28/x
3. Step 3: Cross multiply
   2,521.72x = 3,778.26 × 1,368.28
4. Step 4: Simplify right side
   2,521.72x = 5,169,717.59
5. Step 5: Solve for x
   x = 5,169,717.59/2,521.72
6. Step 6: Final answer
   x = 2,050.08