Finding the Fourth Proportional to 2,132.09, 3,196.77 and 899.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.09 : 3,196.77 = 899.17 : x
2. Step 2: Convert to fraction form
   2,132.09/3,196.77 = 899.17/x
3. Step 3: Cross multiply
   2,132.09x = 3,196.77 × 899.17
4. Step 4: Simplify right side
   2,132.09x = 2,874,436.00
5. Step 5: Solve for x
   x = 2,874,436.00/2,132.09
6. Step 6: Final answer
   x = 1,348.18