Finding the Fourth Proportional to 2,637.74, 3,955.46 and 1,404.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.74 : 3,955.46 = 1,404.87 : x
2. Step 2: Convert to fraction form
   2,637.74/3,955.46 = 1,404.87/x
3. Step 3: Cross multiply
   2,637.74x = 3,955.46 × 1,404.87
4. Step 4: Simplify right side
   2,637.74x = 5,556,900.07
5. Step 5: Solve for x
   x = 5,556,900.07/2,637.74
6. Step 6: Final answer
   x = 2,106.69