Finding the Fourth Proportional to 2,002.32, 3,003.42 and 905.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.32 : 3,003.42 = 905.88 : x
2. Step 2: Convert to fraction form
   2,002.32/3,003.42 = 905.88/x
3. Step 3: Cross multiply
   2,002.32x = 3,003.42 × 905.88
4. Step 4: Simplify right side
   2,002.32x = 2,720,738.11
5. Step 5: Solve for x
   x = 2,720,738.11/2,002.32
6. Step 6: Final answer
   x = 1,358.80