Finding the Fourth Proportional to 2,515.05, 3,771.26 and 1,402.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.05 : 3,771.26 = 1,402.82 : x
2. Step 2: Convert to fraction form
   2,515.05/3,771.26 = 1,402.82/x
3. Step 3: Cross multiply
   2,515.05x = 3,771.26 × 1,402.82
4. Step 4: Simplify right side
   2,515.05x = 5,290,392.49
5. Step 5: Solve for x
   x = 5,290,392.49/2,515.05
6. Step 6: Final answer
   x = 2,103.49