Finding the Fourth Proportional to 2,670.20, 3,684.61 and 1,491.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.20 : 3,684.61 = 1,491.24 : x
2. Step 2: Convert to fraction form
   2,670.20/3,684.61 = 1,491.24/x
3. Step 3: Cross multiply
   2,670.20x = 3,684.61 × 1,491.24
4. Step 4: Simplify right side
   2,670.20x = 5,494,637.82
5. Step 5: Solve for x
   x = 5,494,637.82/2,670.20
6. Step 6: Final answer
   x = 2,057.76