Finding the Fourth Proportional to 2,103.81, 2,900.75 and 1,544.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.81 : 2,900.75 = 1,544.07 : x
2. Step 2: Convert to fraction form
   2,103.81/2,900.75 = 1,544.07/x
3. Step 3: Cross multiply
   2,103.81x = 2,900.75 × 1,544.07
4. Step 4: Simplify right side
   2,103.81x = 4,478,953.33
5. Step 5: Solve for x
   x = 4,478,953.33/2,103.81
6. Step 6: Final answer
   x = 2,128.97