Finding the Fourth Proportional to 2,636.10, 3,637.78 and 1,457.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.10 : 3,637.78 = 1,457.15 : x
2. Step 2: Convert to fraction form
   2,636.10/3,637.78 = 1,457.15/x
3. Step 3: Cross multiply
   2,636.10x = 3,637.78 × 1,457.15
4. Step 4: Simplify right side
   2,636.10x = 5,300,769.30
5. Step 5: Solve for x
   x = 5,300,769.30/2,636.10
6. Step 6: Final answer
   x = 2,010.84