Finding the Fourth Proportional to 2,196.52, 3,294.78 and 898.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.52 : 3,294.78 = 898.12 : x
2. Step 2: Convert to fraction form
   2,196.52/3,294.78 = 898.12/x
3. Step 3: Cross multiply
   2,196.52x = 3,294.78 × 898.12
4. Step 4: Simplify right side
   2,196.52x = 2,959,107.81
5. Step 5: Solve for x
   x = 2,959,107.81/2,196.52
6. Step 6: Final answer
   x = 1,347.18