Finding the Fourth Proportional to 2,077.05, 2,868.17 and 1,292.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.05 : 2,868.17 = 1,292.43 : x
2. Step 2: Convert to fraction form
   2,077.05/2,868.17 = 1,292.43/x
3. Step 3: Cross multiply
   2,077.05x = 2,868.17 × 1,292.43
4. Step 4: Simplify right side
   2,077.05x = 3,706,902.49
5. Step 5: Solve for x
   x = 3,706,902.49/2,077.05
6. Step 6: Final answer
   x = 1,784.70