Finding the Fourth Proportional to 2,196.81, 3,294.20 and 1,246.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.81 : 3,294.20 = 1,246.88 : x
2. Step 2: Convert to fraction form
   2,196.81/3,294.20 = 1,246.88/x
3. Step 3: Cross multiply
   2,196.81x = 3,294.20 × 1,246.88
4. Step 4: Simplify right side
   2,196.81x = 4,107,483.45
5. Step 5: Solve for x
   x = 4,107,483.45/2,196.81
6. Step 6: Final answer
   x = 1,869.75