Finding the Fourth Proportional to 2,272.78, 3,137.94 and 1,488.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.78 : 3,137.94 = 1,488.22 : x
2. Step 2: Convert to fraction form
   2,272.78/3,137.94 = 1,488.22/x
3. Step 3: Cross multiply
   2,272.78x = 3,137.94 × 1,488.22
4. Step 4: Simplify right side
   2,272.78x = 4,669,945.07
5. Step 5: Solve for x
   x = 4,669,945.07/2,272.78
6. Step 6: Final answer
   x = 2,054.73