Finding the Fourth Proportional to 2,082.24, 2,870.64 and 1,491.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.24 : 2,870.64 = 1,491.72 : x
2. Step 2: Convert to fraction form
   2,082.24/2,870.64 = 1,491.72/x
3. Step 3: Cross multiply
   2,082.24x = 2,870.64 × 1,491.72
4. Step 4: Simplify right side
   2,082.24x = 4,282,191.10
5. Step 5: Solve for x
   x = 4,282,191.10/2,082.24
6. Step 6: Final answer
   x = 2,056.53