Finding the Fourth Proportional to 8,868.42, 12,238.98 and 4,889.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,868.42 : 12,238.98 = 4,889.54 : x
2. Step 2: Convert to fraction form
   8,868.42/12,238.98 = 4,889.54/x
3. Step 3: Cross multiply
   8,868.42x = 12,238.98 × 4,889.54
4. Step 4: Simplify right side
   8,868.42x = 59,842,921.07
5. Step 5: Solve for x
   x = 59,842,921.07/8,868.42
6. Step 6: Final answer
   x = 6,747.87