Finding the Fourth Proportional to 2,642.25, 3,962.19 and 1,409.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.25 : 3,962.19 = 1,409.37 : x
2. Step 2: Convert to fraction form
   2,642.25/3,962.19 = 1,409.37/x
3. Step 3: Cross multiply
   2,642.25x = 3,962.19 × 1,409.37
4. Step 4: Simplify right side
   2,642.25x = 5,584,191.72
5. Step 5: Solve for x
   x = 5,584,191.72/2,642.25
6. Step 6: Final answer
   x = 2,113.42