Finding the Fourth Proportional to 3,578.78, 5,370.24 and 1,498.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,578.78 : 5,370.24 = 1,498.59 : x
2. Step 2: Convert to fraction form
   3,578.78/5,370.24 = 1,498.59/x
3. Step 3: Cross multiply
   3,578.78x = 5,370.24 × 1,498.59
4. Step 4: Simplify right side
   3,578.78x = 8,047,787.96
5. Step 5: Solve for x
   x = 8,047,787.96/3,578.78
6. Step 6: Final answer
   x = 2,248.75