Finding the Fourth Proportional to 3,962.43, 5,467.98 and 2,390.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,962.43 : 5,467.98 = 2,390.49 : x
2. Step 2: Convert to fraction form
   3,962.43/5,467.98 = 2,390.49/x
3. Step 3: Cross multiply
   3,962.43x = 5,467.98 × 2,390.49
4. Step 4: Simplify right side
   3,962.43x = 13,071,151.51
5. Step 5: Solve for x
   x = 13,071,151.51/3,962.43
6. Step 6: Final answer
   x = 3,298.77