Finding the Fourth Proportional to 2,264.17, 3,393.42 and 1,290.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,264.17 : 3,393.42 = 1,290.82 : x
2. Step 2: Convert to fraction form
   2,264.17/3,393.42 = 1,290.82/x
3. Step 3: Cross multiply
   2,264.17x = 3,393.42 × 1,290.82
4. Step 4: Simplify right side
   2,264.17x = 4,380,294.40
5. Step 5: Solve for x
   x = 4,380,294.40/2,264.17
6. Step 6: Final answer
   x = 1,934.61