Finding the Fourth Proportional to 2,003.18, 3,003.14 and 906.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.18 : 3,003.14 = 906.98 : x
2. Step 2: Convert to fraction form
   2,003.18/3,003.14 = 906.98/x
3. Step 3: Cross multiply
   2,003.18x = 3,003.14 × 906.98
4. Step 4: Simplify right side
   2,003.18x = 2,723,787.92
5. Step 5: Solve for x
   x = 2,723,787.92/2,003.18
6. Step 6: Final answer
   x = 1,359.73