Finding the Fourth Proportional to 8,061.84, 11,995.22 and 7,860.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.84 : 11,995.22 = 7,860.96 : x
2. Step 2: Convert to fraction form
   8,061.84/11,995.22 = 7,860.96/x
3. Step 3: Cross multiply
   8,061.84x = 11,995.22 × 7,860.96
4. Step 4: Simplify right side
   8,061.84x = 94,293,944.61
5. Step 5: Solve for x
   x = 94,293,944.61/8,061.84
6. Step 6: Final answer
   x = 11,696.33