Finding the Fourth Proportional to 2,421.52, 3,341.31 and 1,426.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421.52 : 3,341.31 = 1,426.43 : x
2. Step 2: Convert to fraction form
   2,421.52/3,341.31 = 1,426.43/x
3. Step 3: Cross multiply
   2,421.52x = 3,341.31 × 1,426.43
4. Step 4: Simplify right side
   2,421.52x = 4,766,144.82
5. Step 5: Solve for x
   x = 4,766,144.82/2,421.52
6. Step 6: Final answer
   x = 1,968.25