Finding the Fourth Proportional to 1,508.82, 2,082.27 and 845.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,508.82 : 2,082.27 = 845.72 : x
2. Step 2: Convert to fraction form
   1,508.82/2,082.27 = 845.72/x
3. Step 3: Cross multiply
   1,508.82x = 2,082.27 × 845.72
4. Step 4: Simplify right side
   1,508.82x = 1,761,017.38
5. Step 5: Solve for x
   x = 1,761,017.38/1,508.82
6. Step 6: Final answer
   x = 1,167.15