Finding the Fourth Proportional to 11,081.54, 15,262.80 and 9,589.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.54 : 15,262.80 = 9,589.52 : x
2. Step 2: Convert to fraction form
   11,081.54/15,262.80 = 9,589.52/x
3. Step 3: Cross multiply
   11,081.54x = 15,262.80 × 9,589.52
4. Step 4: Simplify right side
   11,081.54x = 146,362,925.86
5. Step 5: Solve for x
   x = 146,362,925.86/11,081.54
6. Step 6: Final answer
   x = 13,207.81