Finding the Fourth Proportional to 1,100.46, 1,518.83 and 822.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.46 : 1,518.83 = 822.09 : x
2. Step 2: Convert to fraction form
   1,100.46/1,518.83 = 822.09/x
3. Step 3: Cross multiply
   1,100.46x = 1,518.83 × 822.09
4. Step 4: Simplify right side
   1,100.46x = 1,248,614.95
5. Step 5: Solve for x
   x = 1,248,614.95/1,100.46
6. Step 6: Final answer
   x = 1,134.63