Finding the Fourth Proportional to 11,231.67, 15,504.69 and 7,254.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,231.67 : 15,504.69 = 7,254.72 : x
2. Step 2: Convert to fraction form
   11,231.67/15,504.69 = 7,254.72/x
3. Step 3: Cross multiply
   11,231.67x = 15,504.69 × 7,254.72
4. Step 4: Simplify right side
   11,231.67x = 112,482,148.36
5. Step 5: Solve for x
   x = 112,482,148.36/11,231.67
6. Step 6: Final answer
   x = 10,014.73