Finding the Fourth Proportional to 11,081.72, 15,295.34 and 7,305.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.72 : 15,295.34 = 7,305.56 : x
2. Step 2: Convert to fraction form
   11,081.72/15,295.34 = 7,305.56/x
3. Step 3: Cross multiply
   11,081.72x = 15,295.34 × 7,305.56
4. Step 4: Simplify right side
   11,081.72x = 111,740,965.88
5. Step 5: Solve for x
   x = 111,740,965.88/11,081.72
6. Step 6: Final answer
   x = 10,083.36