Finding the Fourth Proportional to 11,002.67, 15,178.04 and 7,225.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.67 : 15,178.04 = 7,225.29 : x
2. Step 2: Convert to fraction form
   11,002.67/15,178.04 = 7,225.29/x
3. Step 3: Cross multiply
   11,002.67x = 15,178.04 × 7,225.29
4. Step 4: Simplify right side
   11,002.67x = 109,665,704.51
5. Step 5: Solve for x
   x = 109,665,704.51/11,002.67
6. Step 6: Final answer
   x = 9,967.19