Finding the Fourth Proportional to 2,601.14, 3,590.61 and 1,553

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.14 : 3,590.61 = 1,553 : x
2. Step 2: Convert to fraction form
   2,601.14/3,590.61 = 1,553/x
3. Step 3: Cross multiply
   2,601.14x = 3,590.61 × 1,553
4. Step 4: Simplify right side
   2,601.14x = 5,576,217.33
5. Step 5: Solve for x
   x = 5,576,217.33/2,601.14
6. Step 6: Final answer
   x = 2,143.76