Finding the Fourth Proportional to 8,251.76, 11,384.94 and 5,061.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,251.76 : 11,384.94 = 5,061.78 : x
2. Step 2: Convert to fraction form
   8,251.76/11,384.94 = 5,061.78/x
3. Step 3: Cross multiply
   8,251.76x = 11,384.94 × 5,061.78
4. Step 4: Simplify right side
   8,251.76x = 57,628,061.59
5. Step 5: Solve for x
   x = 57,628,061.59/8,251.76
6. Step 6: Final answer
   x = 6,983.73