Finding the Fourth Proportional to 15,013.69, 22,487.72 and 7,605.43

Step by Step Solution

1. Step 1: Write the proportion equation
   15,013.69 : 22,487.72 = 7,605.43 : x
2. Step 2: Convert to fraction form
   15,013.69/22,487.72 = 7,605.43/x
3. Step 3: Cross multiply
   15,013.69x = 22,487.72 × 7,605.43
4. Step 4: Simplify right side
   15,013.69x = 171,028,780.32
5. Step 5: Solve for x
   x = 171,028,780.32/15,013.69
6. Step 6: Final answer
   x = 11,391.52