Finding the Fourth Proportional to 1,867.05, 2,801.52 and 827.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,867.05 : 2,801.52 = 827.73 : x
2. Step 2: Convert to fraction form
   1,867.05/2,801.52 = 827.73/x
3. Step 3: Cross multiply
   1,867.05x = 2,801.52 × 827.73
4. Step 4: Simplify right side
   1,867.05x = 2,318,902.15
5. Step 5: Solve for x
   x = 2,318,902.15/1,867.05
6. Step 6: Final answer
   x = 1,242.01