Finding the Fourth Proportional to 2,286.98, 3,156.03 and 1,292.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286.98 : 3,156.03 = 1,292.26 : x
2. Step 2: Convert to fraction form
   2,286.98/3,156.03 = 1,292.26/x
3. Step 3: Cross multiply
   2,286.98x = 3,156.03 × 1,292.26
4. Step 4: Simplify right side
   2,286.98x = 4,078,411.33
5. Step 5: Solve for x
   x = 4,078,411.33/2,286.98
6. Step 6: Final answer
   x = 1,783.32