Finding the Fourth Proportional to 2,461.02, 3,684.22 and 2,457.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,461.02 : 3,684.22 = 2,457.78 : x
2. Step 2: Convert to fraction form
   2,461.02/3,684.22 = 2,457.78/x
3. Step 3: Cross multiply
   2,461.02x = 3,684.22 × 2,457.78
4. Step 4: Simplify right side
   2,461.02x = 9,055,002.23
5. Step 5: Solve for x
   x = 9,055,002.23/2,461.02
6. Step 6: Final answer
   x = 3,679.37