Finding the Fourth Proportional to 1,368.75, 1,887.14 and 1,050.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368.75 : 1,887.14 = 1,050.09 : x
2. Step 2: Convert to fraction form
   1,368.75/1,887.14 = 1,050.09/x
3. Step 3: Cross multiply
   1,368.75x = 1,887.14 × 1,050.09
4. Step 4: Simplify right side
   1,368.75x = 1,981,661.59
5. Step 5: Solve for x
   x = 1,981,661.59/1,368.75
6. Step 6: Final answer
   x = 1,447.79