Finding the Fourth Proportional to 2,631.50, 3,947.27 and 900.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631.50 : 3,947.27 = 900.14 : x
2. Step 2: Convert to fraction form
   2,631.50/3,947.27 = 900.14/x
3. Step 3: Cross multiply
   2,631.50x = 3,947.27 × 900.14
4. Step 4: Simplify right side
   2,631.50x = 3,553,091.12
5. Step 5: Solve for x
   x = 3,553,091.12/2,631.50
6. Step 6: Final answer
   x = 1,350.22