Finding the Fourth Proportional to 1,604.27, 2,402.05 and 833.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,604.27 : 2,402.05 = 833.15 : x
2. Step 2: Convert to fraction form
   1,604.27/2,402.05 = 833.15/x
3. Step 3: Cross multiply
   1,604.27x = 2,402.05 × 833.15
4. Step 4: Simplify right side
   1,604.27x = 2,001,255.95
5. Step 5: Solve for x
   x = 2,001,255.95/1,604.27
6. Step 6: Final answer
   x = 1,247.46