Finding the Fourth Proportional to 2,779.83, 3,836.17 and 1,520.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,779.83 : 3,836.17 = 1,520.87 : x
2. Step 2: Convert to fraction form
   2,779.83/3,836.17 = 1,520.87/x
3. Step 3: Cross multiply
   2,779.83x = 3,836.17 × 1,520.87
4. Step 4: Simplify right side
   2,779.83x = 5,834,292.88
5. Step 5: Solve for x
   x = 5,834,292.88/2,779.83
6. Step 6: Final answer
   x = 2,098.79