Finding the Fourth Proportional to 2,082.17, 2,874.74 and 1,336.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.17 : 2,874.74 = 1,336.43 : x
2. Step 2: Convert to fraction form
   2,082.17/2,874.74 = 1,336.43/x
3. Step 3: Cross multiply
   2,082.17x = 2,874.74 × 1,336.43
4. Step 4: Simplify right side
   2,082.17x = 3,841,867.72
5. Step 5: Solve for x
   x = 3,841,867.72/2,082.17
6. Step 6: Final answer
   x = 1,845.13