Finding the Fourth Proportional to 2,515.29, 3,758.48 and 1,919.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.29 : 3,758.48 = 1,919.04 : x
2. Step 2: Convert to fraction form
   2,515.29/3,758.48 = 1,919.04/x
3. Step 3: Cross multiply
   2,515.29x = 3,758.48 × 1,919.04
4. Step 4: Simplify right side
   2,515.29x = 7,212,663.86
5. Step 5: Solve for x
   x = 7,212,663.86/2,515.29
6. Step 6: Final answer
   x = 2,867.53