Finding the Fourth Proportional to 2,082.91, 2,870.47 and 1,492.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.91 : 2,870.47 = 1,492.42 : x
2. Step 2: Convert to fraction form
   2,082.91/2,870.47 = 1,492.42/x
3. Step 3: Cross multiply
   2,082.91x = 2,870.47 × 1,492.42
4. Step 4: Simplify right side
   2,082.91x = 4,283,946.55
5. Step 5: Solve for x
   x = 4,283,946.55/2,082.91
6. Step 6: Final answer
   x = 2,056.71