Finding the Fourth Proportional to 2,609.93, 3,601.56 and 1,490.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.93 : 3,601.56 = 1,490.80 : x
2. Step 2: Convert to fraction form
   2,609.93/3,601.56 = 1,490.80/x
3. Step 3: Cross multiply
   2,609.93x = 3,601.56 × 1,490.80
4. Step 4: Simplify right side
   2,609.93x = 5,369,211.31
5. Step 5: Solve for x
   x = 5,369,211.31/2,609.93
6. Step 6: Final answer
   x = 2,057.22