Finding the Fourth Proportional to 11,007.29, 15,196.61 and 7,237.14

Step by Step Solution

1. Step 1: Write the proportion equation
   11,007.29 : 15,196.61 = 7,237.14 : x
2. Step 2: Convert to fraction form
   11,007.29/15,196.61 = 7,237.14/x
3. Step 3: Cross multiply
   11,007.29x = 15,196.61 × 7,237.14
4. Step 4: Simplify right side
   11,007.29x = 109,979,957.91
5. Step 5: Solve for x
   x = 109,979,957.91/11,007.29
6. Step 6: Final answer
   x = 9,991.56