Finding the Fourth Proportional to 2,421.16, 3,341.12 and 1,426.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421.16 : 3,341.12 = 1,426.42 : x
2. Step 2: Convert to fraction form
   2,421.16/3,341.12 = 1,426.42/x
3. Step 3: Cross multiply
   2,421.16x = 3,341.12 × 1,426.42
4. Step 4: Simplify right side
   2,421.16x = 4,765,840.39
5. Step 5: Solve for x
   x = 4,765,840.39/2,421.16
6. Step 6: Final answer
   x = 1,968.41