Finding the Fourth Proportional to 1,412.55, 1,949.00 and 822.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.55 : 1,949.00 = 822.74 : x
2. Step 2: Convert to fraction form
   1,412.55/1,949.00 = 822.74/x
3. Step 3: Cross multiply
   1,412.55x = 1,949.00 × 822.74
4. Step 4: Simplify right side
   1,412.55x = 1,603,506.40
5. Step 5: Solve for x
   x = 1,603,506.40/1,412.55
6. Step 6: Final answer
   x = 1,135.19