Finding the Fourth Proportional to 2,196.64, 3,292.80 and 899.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.64 : 3,292.80 = 899.02 : x
2. Step 2: Convert to fraction form
   2,196.64/3,292.80 = 899.02/x
3. Step 3: Cross multiply
   2,196.64x = 3,292.80 × 899.02
4. Step 4: Simplify right side
   2,196.64x = 2,960,293.06
5. Step 5: Solve for x
   x = 2,960,293.06/2,196.64
6. Step 6: Final answer
   x = 1,347.65