Finding the Fourth Proportional to 2,522.51, 3,480.87 and 1,403.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.51 : 3,480.87 = 1,403.49 : x
2. Step 2: Convert to fraction form
   2,522.51/3,480.87 = 1,403.49/x
3. Step 3: Cross multiply
   2,522.51x = 3,480.87 × 1,403.49
4. Step 4: Simplify right side
   2,522.51x = 4,885,384.55
5. Step 5: Solve for x
   x = 4,885,384.55/2,522.51
6. Step 6: Final answer
   x = 1,936.72