Finding the Fourth Proportional to 2,519.52, 3,779.68 and 877.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.52 : 3,779.68 = 877.04 : x
2. Step 2: Convert to fraction form
   2,519.52/3,779.68 = 877.04/x
3. Step 3: Cross multiply
   2,519.52x = 3,779.68 × 877.04
4. Step 4: Simplify right side
   2,519.52x = 3,314,930.55
5. Step 5: Solve for x
   x = 3,314,930.55/2,519.52
6. Step 6: Final answer
   x = 1,315.70