Finding the Fourth Proportional to 11,002.14, 15,174.89 and 7,223.93

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.14 : 15,174.89 = 7,223.93 : x
2. Step 2: Convert to fraction form
   11,002.14/15,174.89 = 7,223.93/x
3. Step 3: Cross multiply
   11,002.14x = 15,174.89 × 7,223.93
4. Step 4: Simplify right side
   11,002.14x = 109,622,231.12
5. Step 5: Solve for x
   x = 109,622,231.12/11,002.14
6. Step 6: Final answer
   x = 9,963.72