Finding the Fourth Proportional to 11,223.96, 15,477.56 and 7,396.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,223.96 : 15,477.56 = 7,396.60 : x
2. Step 2: Convert to fraction form
   11,223.96/15,477.56 = 7,396.60/x
3. Step 3: Cross multiply
   11,223.96x = 15,477.56 × 7,396.60
4. Step 4: Simplify right side
   11,223.96x = 114,481,300.09
5. Step 5: Solve for x
   x = 114,481,300.09/11,223.96
6. Step 6: Final answer
   x = 10,199.72