Finding the Fourth Proportional to 2,415.24, 3,333.12 and 1,367.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.24 : 3,333.12 = 1,367.28 : x
2. Step 2: Convert to fraction form
   2,415.24/3,333.12 = 1,367.28/x
3. Step 3: Cross multiply
   2,415.24x = 3,333.12 × 1,367.28
4. Step 4: Simplify right side
   2,415.24x = 4,557,308.31
5. Step 5: Solve for x
   x = 4,557,308.31/2,415.24
6. Step 6: Final answer
   x = 1,886.90