Finding the Fourth Proportional to 2,026.56, 2,792.52 and 1,397.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.56 : 2,792.52 = 1,397.28 : x
2. Step 2: Convert to fraction form
   2,026.56/2,792.52 = 1,397.28/x
3. Step 3: Cross multiply
   2,026.56x = 2,792.52 × 1,397.28
4. Step 4: Simplify right side
   2,026.56x = 3,901,932.35
5. Step 5: Solve for x
   x = 3,901,932.35/2,026.56
6. Step 6: Final answer
   x = 1,925.40