Finding the Fourth Proportional to 2,601.86, 3,590.56 and 1,422.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.86 : 3,590.56 = 1,422.93 : x
2. Step 2: Convert to fraction form
   2,601.86/3,590.56 = 1,422.93/x
3. Step 3: Cross multiply
   2,601.86x = 3,590.56 × 1,422.93
4. Step 4: Simplify right side
   2,601.86x = 5,109,115.54
5. Step 5: Solve for x
   x = 5,109,115.54/2,601.86
6. Step 6: Final answer
   x = 1,963.64