Finding the Fourth Proportional to 8,868.99, 12,239.01 and 4,890.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,868.99 : 12,239.01 = 4,890.27 : x
2. Step 2: Convert to fraction form
   8,868.99/12,239.01 = 4,890.27/x
3. Step 3: Cross multiply
   8,868.99x = 12,239.01 × 4,890.27
4. Step 4: Simplify right side
   8,868.99x = 59,852,063.43
5. Step 5: Solve for x
   x = 59,852,063.43/8,868.99
6. Step 6: Final answer
   x = 6,748.46