Finding the Fourth Proportional to 2,670.10, 3,684.72 and 1,491.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.10 : 3,684.72 = 1,491.10 : x
2. Step 2: Convert to fraction form
   2,670.10/3,684.72 = 1,491.10/x
3. Step 3: Cross multiply
   2,670.10x = 3,684.72 × 1,491.10
4. Step 4: Simplify right side
   2,670.10x = 5,494,285.99
5. Step 5: Solve for x
   x = 5,494,285.99/2,670.10
6. Step 6: Final answer
   x = 2,057.71