Finding the Fourth Proportional to 2,395.40, 3,598.56 and 1,422.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,395.40 : 3,598.56 = 1,422.18 : x
2. Step 2: Convert to fraction form
   2,395.40/3,598.56 = 1,422.18/x
3. Step 3: Cross multiply
   2,395.40x = 3,598.56 × 1,422.18
4. Step 4: Simplify right side
   2,395.40x = 5,117,800.06
5. Step 5: Solve for x
   x = 5,117,800.06/2,395.40
6. Step 6: Final answer
   x = 2,136.52