Finding the Fourth Proportional to 9,912.95, 14,864.71 and 5,754.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,912.95 : 14,864.71 = 5,754.24 : x
2. Step 2: Convert to fraction form
   9,912.95/14,864.71 = 5,754.24/x
3. Step 3: Cross multiply
   9,912.95x = 14,864.71 × 5,754.24
4. Step 4: Simplify right side
   9,912.95x = 85,535,005.78
5. Step 5: Solve for x
   x = 85,535,005.78/9,912.95
6. Step 6: Final answer
   x = 8,628.62