Finding the Fourth Proportional to 1,485.27, 2,049.63 and 822.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.27 : 2,049.63 = 822.10 : x
2. Step 2: Convert to fraction form
   1,485.27/2,049.63 = 822.10/x
3. Step 3: Cross multiply
   1,485.27x = 2,049.63 × 822.10
4. Step 4: Simplify right side
   1,485.27x = 1,685,000.82
5. Step 5: Solve for x
   x = 1,685,000.82/1,485.27
6. Step 6: Final answer
   x = 1,134.47