Finding the Fourth Proportional to 2,003.33, 3,003.78 and 906.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.33 : 3,003.78 = 906.19 : x
2. Step 2: Convert to fraction form
   2,003.33/3,003.78 = 906.19/x
3. Step 3: Cross multiply
   2,003.33x = 3,003.78 × 906.19
4. Step 4: Simplify right side
   2,003.33x = 2,721,991.29
5. Step 5: Solve for x
   x = 2,721,991.29/2,003.33
6. Step 6: Final answer
   x = 1,358.73