Finding the Fourth Proportional to 9,951.54, 13,733.20 and 5,475.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,951.54 : 13,733.20 = 5,475.18 : x
2. Step 2: Convert to fraction form
   9,951.54/13,733.20 = 5,475.18/x
3. Step 3: Cross multiply
   9,951.54x = 13,733.20 × 5,475.18
4. Step 4: Simplify right side
   9,951.54x = 75,191,741.98
5. Step 5: Solve for x
   x = 75,191,741.98/9,951.54
6. Step 6: Final answer
   x = 7,555.79