Finding the Fourth Proportional to 9,474.70, 13,076.27 and 5,442.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,474.70 : 13,076.27 = 5,442.78 : x
2. Step 2: Convert to fraction form
   9,474.70/13,076.27 = 5,442.78/x
3. Step 3: Cross multiply
   9,474.70x = 13,076.27 × 5,442.78
4. Step 4: Simplify right side
   9,474.70x = 71,171,260.83
5. Step 5: Solve for x
   x = 71,171,260.83/9,474.70
6. Step 6: Final answer
   x = 7,511.72