Finding the Fourth Proportional to 8,864.98, 12,233.61 and 4,886.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,864.98 : 12,233.61 = 4,886.09 : x
2. Step 2: Convert to fraction form
   8,864.98/12,233.61 = 4,886.09/x
3. Step 3: Cross multiply
   8,864.98x = 12,233.61 × 4,886.09
4. Step 4: Simplify right side
   8,864.98x = 59,774,495.05
5. Step 5: Solve for x
   x = 59,774,495.05/8,864.98
6. Step 6: Final answer
   x = 6,742.77