Finding the Fourth Proportional to 11,003.76, 15,179.94 and 7,225.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003.76 : 15,179.94 = 7,225.38 : x
2. Step 2: Convert to fraction form
   11,003.76/15,179.94 = 7,225.38/x
3. Step 3: Cross multiply
   11,003.76x = 15,179.94 × 7,225.38
4. Step 4: Simplify right side
   11,003.76x = 109,680,834.88
5. Step 5: Solve for x
   x = 109,680,834.88/11,003.76
6. Step 6: Final answer
   x = 9,967.58