Finding the Fourth Proportional to 9,023.95, 12,456.47 and 8,078.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,023.95 : 12,456.47 = 8,078.03 : x
2. Step 2: Convert to fraction form
   9,023.95/12,456.47 = 8,078.03/x
3. Step 3: Cross multiply
   9,023.95x = 12,456.47 × 8,078.03
4. Step 4: Simplify right side
   9,023.95x = 100,623,738.35
5. Step 5: Solve for x
   x = 100,623,738.35/9,023.95
6. Step 6: Final answer
   x = 11,150.74