Finding the Fourth Proportional to 2,223.33, 3,334.52 and 836.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.33 : 3,334.52 = 836.63 : x
2. Step 2: Convert to fraction form
   2,223.33/3,334.52 = 836.63/x
3. Step 3: Cross multiply
   2,223.33x = 3,334.52 × 836.63
4. Step 4: Simplify right side
   2,223.33x = 2,789,757.39
5. Step 5: Solve for x
   x = 2,789,757.39/2,223.33
6. Step 6: Final answer
   x = 1,254.77