Finding the Fourth Proportional to 9,951.09, 13,732.72 and 5,475.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,951.09 : 13,732.72 = 5,475.08 : x
2. Step 2: Convert to fraction form
   9,951.09/13,732.72 = 5,475.08/x
3. Step 3: Cross multiply
   9,951.09x = 13,732.72 × 5,475.08
4. Step 4: Simplify right side
   9,951.09x = 75,187,671.95
5. Step 5: Solve for x
   x = 75,187,671.95/9,951.09
6. Step 6: Final answer
   x = 7,555.73