Finding the Fourth Proportional to 2,636.27, 3,638.08 and 1,457.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.27 : 3,638.08 = 1,457.38 : x
2. Step 2: Convert to fraction form
   2,636.27/3,638.08 = 1,457.38/x
3. Step 3: Cross multiply
   2,636.27x = 3,638.08 × 1,457.38
4. Step 4: Simplify right side
   2,636.27x = 5,302,065.03
5. Step 5: Solve for x
   x = 5,302,065.03/2,636.27
6. Step 6: Final answer
   x = 2,011.20