Finding the Fourth Proportional to 2,635.86, 3,956.19 and 1,404.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.86 : 3,956.19 = 1,404.31 : x
2. Step 2: Convert to fraction form
   2,635.86/3,956.19 = 1,404.31/x
3. Step 3: Cross multiply
   2,635.86x = 3,956.19 × 1,404.31
4. Step 4: Simplify right side
   2,635.86x = 5,555,713.67
5. Step 5: Solve for x
   x = 5,555,713.67/2,635.86
6. Step 6: Final answer
   x = 2,107.74