Finding the Fourth Proportional to 2,679.17, 4,018.72 and 731.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,679.17 : 4,018.72 = 731.37 : x
2. Step 2: Convert to fraction form
   2,679.17/4,018.72 = 731.37/x
3. Step 3: Cross multiply
   2,679.17x = 4,018.72 × 731.37
4. Step 4: Simplify right side
   2,679.17x = 2,939,171.25
5. Step 5: Solve for x
   x = 2,939,171.25/2,679.17
6. Step 6: Final answer
   x = 1,097.05