Finding the Fourth Proportional to 8,061.32, 11,139.05 and 6,306.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.32 : 11,139.05 = 6,306.25 : x
2. Step 2: Convert to fraction form
   8,061.32/11,139.05 = 6,306.25/x
3. Step 3: Cross multiply
   8,061.32x = 11,139.05 × 6,306.25
4. Step 4: Simplify right side
   8,061.32x = 70,245,634.06
5. Step 5: Solve for x
   x = 70,245,634.06/8,061.32
6. Step 6: Final answer
   x = 8,713.92