Finding the Fourth Proportional to 9,505.46, 13,121.52 and 7,007.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,505.46 : 13,121.52 = 7,007.42 : x
2. Step 2: Convert to fraction form
   9,505.46/13,121.52 = 7,007.42/x
3. Step 3: Cross multiply
   9,505.46x = 13,121.52 × 7,007.42
4. Step 4: Simplify right side
   9,505.46x = 91,948,001.68
5. Step 5: Solve for x
   x = 91,948,001.68/9,505.46
6. Step 6: Final answer
   x = 9,673.18