Finding the Fourth Proportional to 2,669.61, 3,683.91 and 1,490.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.61 : 3,683.91 = 1,490.76 : x
2. Step 2: Convert to fraction form
   2,669.61/3,683.91 = 1,490.76/x
3. Step 3: Cross multiply
   2,669.61x = 3,683.91 × 1,490.76
4. Step 4: Simplify right side
   2,669.61x = 5,491,825.67
5. Step 5: Solve for x
   x = 5,491,825.67/2,669.61
6. Step 6: Final answer
   x = 2,057.16