Finding the Fourth Proportional to 2,077.43, 3,099.86 and 2,065.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.43 : 3,099.86 = 2,065.28 : x
2. Step 2: Convert to fraction form
   2,077.43/3,099.86 = 2,065.28/x
3. Step 3: Cross multiply
   2,077.43x = 3,099.86 × 2,065.28
4. Step 4: Simplify right side
   2,077.43x = 6,402,060.78
5. Step 5: Solve for x
   x = 6,402,060.78/2,077.43
6. Step 6: Final answer
   x = 3,081.73