Finding the Fourth Proportional to 2,264.78, 3,125.52 and 1,478.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,264.78 : 3,125.52 = 1,478.80 : x
2. Step 2: Convert to fraction form
   2,264.78/3,125.52 = 1,478.80/x
3. Step 3: Cross multiply
   2,264.78x = 3,125.52 × 1,478.80
4. Step 4: Simplify right side
   2,264.78x = 4,622,018.98
5. Step 5: Solve for x
   x = 4,622,018.98/2,264.78
6. Step 6: Final answer
   x = 2,040.82