Finding the Fourth Proportional to 2,077.82, 2,868.32 and 1,292.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.82 : 2,868.32 = 1,292.39 : x
2. Step 2: Convert to fraction form
   2,077.82/2,868.32 = 1,292.39/x
3. Step 3: Cross multiply
   2,077.82x = 2,868.32 × 1,292.39
4. Step 4: Simplify right side
   2,077.82x = 3,706,981.62
5. Step 5: Solve for x
   x = 3,706,981.62/2,077.82
6. Step 6: Final answer
   x = 1,784.07