Finding the Fourth Proportional to 2,223.62, 3,334.83 and 836.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.62 : 3,334.83 = 836.07 : x
2. Step 2: Convert to fraction form
   2,223.62/3,334.83 = 836.07/x
3. Step 3: Cross multiply
   2,223.62x = 3,334.83 × 836.07
4. Step 4: Simplify right side
   2,223.62x = 2,788,160.31
5. Step 5: Solve for x
   x = 2,788,160.31/2,223.62
6. Step 6: Final answer
   x = 1,253.88