Finding the Fourth Proportional to 2,002.05, 3,002.73 and 906.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.05 : 3,002.73 = 906.16 : x
2. Step 2: Convert to fraction form
   2,002.05/3,002.73 = 906.16/x
3. Step 3: Cross multiply
   2,002.05x = 3,002.73 × 906.16
4. Step 4: Simplify right side
   2,002.05x = 2,720,953.82
5. Step 5: Solve for x
   x = 2,720,953.82/2,002.05
6. Step 6: Final answer
   x = 1,359.08