Finding the Fourth Proportional to 2,601.47, 3,590.03 and 1,422.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.47 : 3,590.03 = 1,422.54 : x
2. Step 2: Convert to fraction form
   2,601.47/3,590.03 = 1,422.54/x
3. Step 3: Cross multiply
   2,601.47x = 3,590.03 × 1,422.54
4. Step 4: Simplify right side
   2,601.47x = 5,106,964.83
5. Step 5: Solve for x
   x = 5,106,964.83/2,601.47
6. Step 6: Final answer
   x = 1,963.11