Finding the Fourth Proportional to 2,601.12, 3,589.64 and 1,422.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.12 : 3,589.64 = 1,422.16 : x
2. Step 2: Convert to fraction form
   2,601.12/3,589.64 = 1,422.16/x
3. Step 3: Cross multiply
   2,601.12x = 3,589.64 × 1,422.16
4. Step 4: Simplify right side
   2,601.12x = 5,105,042.42
5. Step 5: Solve for x
   x = 5,105,042.42/2,601.12
6. Step 6: Final answer
   x = 1,962.63