Finding the Fourth Proportional to 2,601.64, 3,590.30 and 1,422.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.64 : 3,590.30 = 1,422.73 : x
2. Step 2: Convert to fraction form
   2,601.64/3,590.30 = 1,422.73/x
3. Step 3: Cross multiply
   2,601.64x = 3,590.30 × 1,422.73
4. Step 4: Simplify right side
   2,601.64x = 5,108,002.45
5. Step 5: Solve for x
   x = 5,108,002.45/2,601.64
6. Step 6: Final answer
   x = 1,963.38