Finding the Fourth Proportional to 2,637.82, 3,963.92 and 1,406.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.82 : 3,963.92 = 1,406.12 : x
2. Step 2: Convert to fraction form
   2,637.82/3,963.92 = 1,406.12/x
3. Step 3: Cross multiply
   2,637.82x = 3,963.92 × 1,406.12
4. Step 4: Simplify right side
   2,637.82x = 5,573,747.19
5. Step 5: Solve for x
   x = 5,573,747.19/2,637.82
6. Step 6: Final answer
   x = 2,113.01