Finding the Fourth Proportional to 2,601.84, 3,590.53 and 1,422.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.84 : 3,590.53 = 1,422.91 : x
2. Step 2: Convert to fraction form
   2,601.84/3,590.53 = 1,422.91/x
3. Step 3: Cross multiply
   2,601.84x = 3,590.53 × 1,422.91
4. Step 4: Simplify right side
   2,601.84x = 5,108,983.09
5. Step 5: Solve for x
   x = 5,108,983.09/2,601.84
6. Step 6: Final answer
   x = 1,963.61