Finding the Fourth Proportional to 2,276.69, 3,141.02 and 1,491.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.69 : 3,141.02 = 1,491.20 : x
2. Step 2: Convert to fraction form
   2,276.69/3,141.02 = 1,491.20/x
3. Step 3: Cross multiply
   2,276.69x = 3,141.02 × 1,491.20
4. Step 4: Simplify right side
   2,276.69x = 4,683,889.02
5. Step 5: Solve for x
   x = 4,683,889.02/2,276.69
6. Step 6: Final answer
   x = 2,057.32