Finding the Fourth Proportional to 2,779.69, 3,836.01 and 1,520.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,779.69 : 3,836.01 = 1,520.74 : x
2. Step 2: Convert to fraction form
   2,779.69/3,836.01 = 1,520.74/x
3. Step 3: Cross multiply
   2,779.69x = 3,836.01 × 1,520.74
4. Step 4: Simplify right side
   2,779.69x = 5,833,573.85
5. Step 5: Solve for x
   x = 5,833,573.85/2,779.69
6. Step 6: Final answer
   x = 2,098.64