Finding the Fourth Proportional to 2,167.01, 3,248.72 and 1,243.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.01 : 3,248.72 = 1,243.25 : x
2. Step 2: Convert to fraction form
   2,167.01/3,248.72 = 1,243.25/x
3. Step 3: Cross multiply
   2,167.01x = 3,248.72 × 1,243.25
4. Step 4: Simplify right side
   2,167.01x = 4,038,964.92
5. Step 5: Solve for x
   x = 4,038,964.92/2,167.01
6. Step 6: Final answer
   x = 1,863.84