Finding the Fourth Proportional to 11,389.69, 17,060.52 and 7,227.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,389.69 : 17,060.52 = 7,227.50 : x
2. Step 2: Convert to fraction form
   11,389.69/17,060.52 = 7,227.50/x
3. Step 3: Cross multiply
   11,389.69x = 17,060.52 × 7,227.50
4. Step 4: Simplify right side
   11,389.69x = 123,304,908.30
5. Step 5: Solve for x
   x = 123,304,908.30/11,389.69
6. Step 6: Final answer
   x = 10,826.01