Finding the Fourth Proportional to 2,522.48, 3,480.72 and 1,403.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.48 : 3,480.72 = 1,403.14 : x
2. Step 2: Convert to fraction form
   2,522.48/3,480.72 = 1,403.14/x
3. Step 3: Cross multiply
   2,522.48x = 3,480.72 × 1,403.14
4. Step 4: Simplify right side
   2,522.48x = 4,883,937.46
5. Step 5: Solve for x
   x = 4,883,937.46/2,522.48
6. Step 6: Final answer
   x = 1,936.16