Finding the Fourth Proportional to 9,132.72, 13,618.89 and 9,049.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,132.72 : 13,618.89 = 9,049.56 : x
2. Step 2: Convert to fraction form
   9,132.72/13,618.89 = 9,049.56/x
3. Step 3: Cross multiply
   9,132.72x = 13,618.89 × 9,049.56
4. Step 4: Simplify right side
   9,132.72x = 123,244,962.19
5. Step 5: Solve for x
   x = 123,244,962.19/9,132.72
6. Step 6: Final answer
   x = 13,494.88