Finding the Fourth Proportional to 1,383.07, 1,906.62 and 1,050.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.07 : 1,906.62 = 1,050.92 : x
2. Step 2: Convert to fraction form
   1,383.07/1,906.62 = 1,050.92/x
3. Step 3: Cross multiply
   1,383.07x = 1,906.62 × 1,050.92
4. Step 4: Simplify right side
   1,383.07x = 2,003,705.09
5. Step 5: Solve for x
   x = 2,003,705.09/1,383.07
6. Step 6: Final answer
   x = 1,448.74