Finding the Fourth Proportional to 9,930.48, 14,953.43 and 7,175.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,930.48 : 14,953.43 = 7,175.94 : x
2. Step 2: Convert to fraction form
   9,930.48/14,953.43 = 7,175.94/x
3. Step 3: Cross multiply
   9,930.48x = 14,953.43 × 7,175.94
4. Step 4: Simplify right side
   9,930.48x = 107,304,880.59
5. Step 5: Solve for x
   x = 107,304,880.59/9,930.48
6. Step 6: Final answer
   x = 10,805.61