Finding the Fourth Proportional to 11,021.94, 15,199.83 and 7,238.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,021.94 : 15,199.83 = 7,238.43 : x
2. Step 2: Convert to fraction form
   11,021.94/15,199.83 = 7,238.43/x
3. Step 3: Cross multiply
   11,021.94x = 15,199.83 × 7,238.43
4. Step 4: Simplify right side
   11,021.94x = 110,022,905.47
5. Step 5: Solve for x
   x = 110,022,905.47/11,021.94
6. Step 6: Final answer
   x = 9,982.17