Finding the Fourth Proportional to 8,868.46, 12,239.58 and 5,092.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,868.46 : 12,239.58 = 5,092.80 : x
2. Step 2: Convert to fraction form
   8,868.46/12,239.58 = 5,092.80/x
3. Step 3: Cross multiply
   8,868.46x = 12,239.58 × 5,092.80
4. Step 4: Simplify right side
   8,868.46x = 62,333,707.56
5. Step 5: Solve for x
   x = 62,333,707.56/8,868.46
6. Step 6: Final answer
   x = 7,028.70