Finding the Fourth Proportional to 2,601.49, 3,590.06 and 1,422.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.49 : 3,590.06 = 1,422.56 : x
2. Step 2: Convert to fraction form
   2,601.49/3,590.06 = 1,422.56/x
3. Step 3: Cross multiply
   2,601.49x = 3,590.06 × 1,422.56
4. Step 4: Simplify right side
   2,601.49x = 5,107,050.69
5. Step 5: Solve for x
   x = 5,107,050.69/2,601.49
6. Step 6: Final answer
   x = 1,963.13