Finding the Fourth Proportional to 2,636.39, 3,638.01 and 1,457.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.39 : 3,638.01 = 1,457.45 : x
2. Step 2: Convert to fraction form
   2,636.39/3,638.01 = 1,457.45/x
3. Step 3: Cross multiply
   2,636.39x = 3,638.01 × 1,457.45
4. Step 4: Simplify right side
   2,636.39x = 5,302,217.67
5. Step 5: Solve for x
   x = 5,302,217.67/2,636.39
6. Step 6: Final answer
   x = 2,011.17