Finding the Fourth Proportional to 2,218.98, 3,061.41 and 1,274.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218.98 : 3,061.41 = 1,274.76 : x
2. Step 2: Convert to fraction form
   2,218.98/3,061.41 = 1,274.76/x
3. Step 3: Cross multiply
   2,218.98x = 3,061.41 × 1,274.76
4. Step 4: Simplify right side
   2,218.98x = 3,902,563.01
5. Step 5: Solve for x
   x = 3,902,563.01/2,218.98
6. Step 6: Final answer
   x = 1,758.72