Finding the Fourth Proportional to 2,237.34, 3,087.18 and 1,242.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,237.34 : 3,087.18 = 1,242.48 : x
2. Step 2: Convert to fraction form
   2,237.34/3,087.18 = 1,242.48/x
3. Step 3: Cross multiply
   2,237.34x = 3,087.18 × 1,242.48
4. Step 4: Simplify right side
   2,237.34x = 3,835,759.41
5. Step 5: Solve for x
   x = 3,835,759.41/2,237.34
6. Step 6: Final answer
   x = 1,714.43