Finding the Fourth Proportional to 2,132.89, 3,199.76 and 900.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.89 : 3,199.76 = 900.29 : x
2. Step 2: Convert to fraction form
   2,132.89/3,199.76 = 900.29/x
3. Step 3: Cross multiply
   2,132.89x = 3,199.76 × 900.29
4. Step 4: Simplify right side
   2,132.89x = 2,880,711.93
5. Step 5: Solve for x
   x = 2,880,711.93/2,132.89
6. Step 6: Final answer
   x = 1,350.61