Finding the Fourth Proportional to 9,474.78, 13,078.06 and 5,496.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,474.78 : 13,078.06 = 5,496.86 : x
2. Step 2: Convert to fraction form
   9,474.78/13,078.06 = 5,496.86/x
3. Step 3: Cross multiply
   9,474.78x = 13,078.06 × 5,496.86
4. Step 4: Simplify right side
   9,474.78x = 71,888,264.89
5. Step 5: Solve for x
   x = 71,888,264.89/9,474.78
6. Step 6: Final answer
   x = 7,587.33