Finding the Fourth Proportional to 11,015.72, 15,202.61 and 6,300.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,015.72 : 15,202.61 = 6,300.91 : x
2. Step 2: Convert to fraction form
   11,015.72/15,202.61 = 6,300.91/x
3. Step 3: Cross multiply
   11,015.72x = 15,202.61 × 6,300.91
4. Step 4: Simplify right side
   11,015.72x = 95,790,288.50
5. Step 5: Solve for x
   x = 95,790,288.50/11,015.72
6. Step 6: Final answer
   x = 8,695.78