Finding the Fourth Proportional to 9,972.72, 14,898.06 and 7,175.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,972.72 : 14,898.06 = 7,175.52 : x
2. Step 2: Convert to fraction form
   9,972.72/14,898.06 = 7,175.52/x
3. Step 3: Cross multiply
   9,972.72x = 14,898.06 × 7,175.52
4. Step 4: Simplify right side
   9,972.72x = 106,901,327.49
5. Step 5: Solve for x
   x = 106,901,327.49/9,972.72
6. Step 6: Final answer
   x = 10,719.38