Finding the Fourth Proportional to 9,951.45, 13,732.71 and 5,475.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,951.45 : 13,732.71 = 5,475.20 : x
2. Step 2: Convert to fraction form
   9,951.45/13,732.71 = 5,475.20/x
3. Step 3: Cross multiply
   9,951.45x = 13,732.71 × 5,475.20
4. Step 4: Simplify right side
   9,951.45x = 75,189,265.13
5. Step 5: Solve for x
   x = 75,189,265.13/9,951.45
6. Step 6: Final answer
   x = 7,555.61