Finding the Fourth Proportional to 2,132.82, 3,200.01 and 900.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.82 : 3,200.01 = 900.12 : x
2. Step 2: Convert to fraction form
   2,132.82/3,200.01 = 900.12/x
3. Step 3: Cross multiply
   2,132.82x = 3,200.01 × 900.12
4. Step 4: Simplify right side
   2,132.82x = 2,880,393.00
5. Step 5: Solve for x
   x = 2,880,393.00/2,132.82
6. Step 6: Final answer
   x = 1,350.51