Finding the Fourth Proportional to 2,854.84, 4,282.50 and 907.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,854.84 : 4,282.50 = 907.24 : x
2. Step 2: Convert to fraction form
   2,854.84/4,282.50 = 907.24/x
3. Step 3: Cross multiply
   2,854.84x = 4,282.50 × 907.24
4. Step 4: Simplify right side
   2,854.84x = 3,885,255.30
5. Step 5: Solve for x
   x = 3,885,255.30/2,854.84
6. Step 6: Final answer
   x = 1,360.94