Finding the Fourth Proportional to 2,167.48, 3,250.59 and 1,242.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.48 : 3,250.59 = 1,242.88 : x
2. Step 2: Convert to fraction form
   2,167.48/3,250.59 = 1,242.88/x
3. Step 3: Cross multiply
   2,167.48x = 3,250.59 × 1,242.88
4. Step 4: Simplify right side
   2,167.48x = 4,040,093.30
5. Step 5: Solve for x
   x = 4,040,093.30/2,167.48
6. Step 6: Final answer
   x = 1,863.96