Finding the Fourth Proportional to 9,908.82, 14,864.59 and 5,750.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908.82 : 14,864.59 = 5,750.78 : x
2. Step 2: Convert to fraction form
   9,908.82/14,864.59 = 5,750.78/x
3. Step 3: Cross multiply
   9,908.82x = 14,864.59 × 5,750.78
4. Step 4: Simplify right side
   9,908.82x = 85,483,086.29
5. Step 5: Solve for x
   x = 85,483,086.29/9,908.82
6. Step 6: Final answer
   x = 8,626.97