Finding the Fourth Proportional to 2,761.59, 3,810.92 and 2,018.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,761.59 : 3,810.92 = 2,018.69 : x
2. Step 2: Convert to fraction form
   2,761.59/3,810.92 = 2,018.69/x
3. Step 3: Cross multiply
   2,761.59x = 3,810.92 × 2,018.69
4. Step 4: Simplify right side
   2,761.59x = 7,693,051.24
5. Step 5: Solve for x
   x = 7,693,051.24/2,761.59
6. Step 6: Final answer
   x = 2,785.73