Finding the Fourth Proportional to 9,951.72, 13,732.99 and 5,475.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,951.72 : 13,732.99 = 5,475.39 : x
2. Step 2: Convert to fraction form
   9,951.72/13,732.99 = 5,475.39/x
3. Step 3: Cross multiply
   9,951.72x = 13,732.99 × 5,475.39
4. Step 4: Simplify right side
   9,951.72x = 75,193,462.43
5. Step 5: Solve for x
   x = 75,193,462.43/9,951.72
6. Step 6: Final answer
   x = 7,555.83