Finding the Fourth Proportional to 9,499.34, 13,113.70 and 6,672.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.34 : 13,113.70 = 6,672.72 : x
2. Step 2: Convert to fraction form
   9,499.34/13,113.70 = 6,672.72/x
3. Step 3: Cross multiply
   9,499.34x = 13,113.70 × 6,672.72
4. Step 4: Simplify right side
   9,499.34x = 87,504,048.26
5. Step 5: Solve for x
   x = 87,504,048.26/9,499.34
6. Step 6: Final answer
   x = 9,211.59