Finding the Fourth Proportional to 9,753.72, 14,691.32 and 9,069.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,753.72 : 14,691.32 = 9,069.37 : x
2. Step 2: Convert to fraction form
   9,753.72/14,691.32 = 9,069.37/x
3. Step 3: Cross multiply
   9,753.72x = 14,691.32 × 9,069.37
4. Step 4: Simplify right side
   9,753.72x = 133,241,019.82
5. Step 5: Solve for x
   x = 133,241,019.82/9,753.72
6. Step 6: Final answer
   x = 13,660.54