Finding the Fourth Proportional to 1,485.90, 2,050.71 and 822.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.90 : 2,050.71 = 822.93 : x
2. Step 2: Convert to fraction form
   1,485.90/2,050.71 = 822.93/x
3. Step 3: Cross multiply
   1,485.90x = 2,050.71 × 822.93
4. Step 4: Simplify right side
   1,485.90x = 1,687,590.78
5. Step 5: Solve for x
   x = 1,687,590.78/1,485.90
6. Step 6: Final answer
   x = 1,135.74