Finding the Fourth Proportional to 2,391.42, 3,300.21 and 1,447.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.42 : 3,300.21 = 1,447.34 : x
2. Step 2: Convert to fraction form
   2,391.42/3,300.21 = 1,447.34/x
3. Step 3: Cross multiply
   2,391.42x = 3,300.21 × 1,447.34
4. Step 4: Simplify right side
   2,391.42x = 4,776,509.44
5. Step 5: Solve for x
   x = 4,776,509.44/2,391.42
6. Step 6: Final answer
   x = 1,997.35