Finding the Fourth Proportional to 2,636.34, 3,953.16 and 1,404.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.34 : 3,953.16 = 1,404.42 : x
2. Step 2: Convert to fraction form
   2,636.34/3,953.16 = 1,404.42/x
3. Step 3: Cross multiply
   2,636.34x = 3,953.16 × 1,404.42
4. Step 4: Simplify right side
   2,636.34x = 5,551,896.97
5. Step 5: Solve for x
   x = 5,551,896.97/2,636.34
6. Step 6: Final answer
   x = 2,105.91