Finding the Fourth Proportional to 8,868.24, 12,238.72 and 4,889.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,868.24 : 12,238.72 = 4,889.34 : x
2. Step 2: Convert to fraction form
   8,868.24/12,238.72 = 4,889.34/x
3. Step 3: Cross multiply
   8,868.24x = 12,238.72 × 4,889.34
4. Step 4: Simplify right side
   8,868.24x = 59,839,251.02
5. Step 5: Solve for x
   x = 59,839,251.02/8,868.24
6. Step 6: Final answer
   x = 6,747.59