Finding the Fourth Proportional to 2,218.37, 3,060.86 and 1,274.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218.37 : 3,060.86 = 1,274.09 : x
2. Step 2: Convert to fraction form
   2,218.37/3,060.86 = 1,274.09/x
3. Step 3: Cross multiply
   2,218.37x = 3,060.86 × 1,274.09
4. Step 4: Simplify right side
   2,218.37x = 3,899,789.44
5. Step 5: Solve for x
   x = 3,899,789.44/2,218.37
6. Step 6: Final answer
   x = 1,757.96