Finding the Fourth Proportional to 2,635.83, 3,960.93 and 1,404.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.83 : 3,960.93 = 1,404.12 : x
2. Step 2: Convert to fraction form
   2,635.83/3,960.93 = 1,404.12/x
3. Step 3: Cross multiply
   2,635.83x = 3,960.93 × 1,404.12
4. Step 4: Simplify right side
   2,635.83x = 5,561,621.03
5. Step 5: Solve for x
   x = 5,561,621.03/2,635.83
6. Step 6: Final answer
   x = 2,110.01