Finding the Fourth Proportional to 9,930.53, 14,885.42 and 7,294.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,930.53 : 14,885.42 = 7,294.12 : x
2. Step 2: Convert to fraction form
   9,930.53/14,885.42 = 7,294.12/x
3. Step 3: Cross multiply
   9,930.53x = 14,885.42 × 7,294.12
4. Step 4: Simplify right side
   9,930.53x = 108,576,007.08
5. Step 5: Solve for x
   x = 108,576,007.08/9,930.53
6. Step 6: Final answer
   x = 10,933.55