Finding the Fourth Proportional to 8,868.53, 12,238.59 and 4,889.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,868.53 : 12,238.59 = 4,889.55 : x
2. Step 2: Convert to fraction form
   8,868.53/12,238.59 = 4,889.55/x
3. Step 3: Cross multiply
   8,868.53x = 12,238.59 × 4,889.55
4. Step 4: Simplify right side
   8,868.53x = 59,841,197.73
5. Step 5: Solve for x
   x = 59,841,197.73/8,868.53
6. Step 6: Final answer
   x = 6,747.59