Finding the Fourth Proportional to 2,522.34, 3,480.57 and 1,403.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.34 : 3,480.57 = 1,403.28 : x
2. Step 2: Convert to fraction form
   2,522.34/3,480.57 = 1,403.28/x
3. Step 3: Cross multiply
   2,522.34x = 3,480.57 × 1,403.28
4. Step 4: Simplify right side
   2,522.34x = 4,884,214.27
5. Step 5: Solve for x
   x = 4,884,214.27/2,522.34
6. Step 6: Final answer
   x = 1,936.38