Finding the Fourth Proportional to 2,636.40, 3,637.83 and 1,457.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.40 : 3,637.83 = 1,457.48 : x
2. Step 2: Convert to fraction form
   2,636.40/3,637.83 = 1,457.48/x
3. Step 3: Cross multiply
   2,636.40x = 3,637.83 × 1,457.48
4. Step 4: Simplify right side
   2,636.40x = 5,302,065.39
5. Step 5: Solve for x
   x = 5,302,065.39/2,636.40
6. Step 6: Final answer
   x = 2,011.10