Finding the Fourth Proportional to 2,637.39, 3,956.69 and 1,404.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.39 : 3,956.69 = 1,404.15 : x
2. Step 2: Convert to fraction form
   2,637.39/3,956.69 = 1,404.15/x
3. Step 3: Cross multiply
   2,637.39x = 3,956.69 × 1,404.15
4. Step 4: Simplify right side
   2,637.39x = 5,555,779.24
5. Step 5: Solve for x
   x = 5,555,779.24/2,637.39
6. Step 6: Final answer
   x = 2,106.54