Finding the Fourth Proportional to 2,015.16, 2,779.50 and 1,849.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.16 : 2,779.50 = 1,849.92 : x
2. Step 2: Convert to fraction form
   2,015.16/2,779.50 = 1,849.92/x
3. Step 3: Cross multiply
   2,015.16x = 2,779.50 × 1,849.92
4. Step 4: Simplify right side
   2,015.16x = 5,141,852.64
5. Step 5: Solve for x
   x = 5,141,852.64/2,015.16
6. Step 6: Final answer
   x = 2,551.59