Finding the Fourth Proportional to 2,636.41, 3,638.30 and 1,457.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.41 : 3,638.30 = 1,457.46 : x
2. Step 2: Convert to fraction form
   2,636.41/3,638.30 = 1,457.46/x
3. Step 3: Cross multiply
   2,636.41x = 3,638.30 × 1,457.46
4. Step 4: Simplify right side
   2,636.41x = 5,302,676.72
5. Step 5: Solve for x
   x = 5,302,676.72/2,636.41
6. Step 6: Final answer
   x = 2,011.32