Finding the Fourth Proportional to 3,968.34, 5,477.69 and 2,457.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968.34 : 5,477.69 = 2,457.06 : x
2. Step 2: Convert to fraction form
   3,968.34/5,477.69 = 2,457.06/x
3. Step 3: Cross multiply
   3,968.34x = 5,477.69 × 2,457.06
4. Step 4: Simplify right side
   3,968.34x = 13,459,000.71
5. Step 5: Solve for x
   x = 13,459,000.71/3,968.34
6. Step 6: Final answer
   x = 3,391.59