Finding the Fourth Proportional to 8,868.58, 12,238.72 and 4,889.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,868.58 : 12,238.72 = 4,889.84 : x
2. Step 2: Convert to fraction form
   8,868.58/12,238.72 = 4,889.84/x
3. Step 3: Cross multiply
   8,868.58x = 12,238.72 × 4,889.84
4. Step 4: Simplify right side
   8,868.58x = 59,845,382.60
5. Step 5: Solve for x
   x = 59,845,382.60/8,868.58
6. Step 6: Final answer
   x = 6,748.02