Finding the Fourth Proportional to 1,354.03, 1,868.69 and 822.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.03 : 1,868.69 = 822.79 : x
2. Step 2: Convert to fraction form
   1,354.03/1,868.69 = 822.79/x
3. Step 3: Cross multiply
   1,354.03x = 1,868.69 × 822.79
4. Step 4: Simplify right side
   1,354.03x = 1,537,539.45
5. Step 5: Solve for x
   x = 1,537,539.45/1,354.03
6. Step 6: Final answer
   x = 1,135.53