Finding the Fourth Proportional to 2,601.90, 3,590.52 and 1,422.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.90 : 3,590.52 = 1,422.93 : x
2. Step 2: Convert to fraction form
   2,601.90/3,590.52 = 1,422.93/x
3. Step 3: Cross multiply
   2,601.90x = 3,590.52 × 1,422.93
4. Step 4: Simplify right side
   2,601.90x = 5,109,058.62
5. Step 5: Solve for x
   x = 5,109,058.62/2,601.90
6. Step 6: Final answer
   x = 1,963.59