Finding the Fourth Proportional to 8,865.72, 12,234.51 and 4,886.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,865.72 : 12,234.51 = 4,886.82 : x
2. Step 2: Convert to fraction form
   8,865.72/12,234.51 = 4,886.82/x
3. Step 3: Cross multiply
   8,865.72x = 12,234.51 × 4,886.82
4. Step 4: Simplify right side
   8,865.72x = 59,787,848.16
5. Step 5: Solve for x
   x = 59,787,848.16/8,865.72
6. Step 6: Final answer
   x = 6,743.71