Finding the Fourth Proportional to 10,863.98, 14,999.20 and 7,466.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,863.98 : 14,999.20 = 7,466.57 : x
2. Step 2: Convert to fraction form
   10,863.98/14,999.20 = 7,466.57/x
3. Step 3: Cross multiply
   10,863.98x = 14,999.20 × 7,466.57
4. Step 4: Simplify right side
   10,863.98x = 111,992,483.08
5. Step 5: Solve for x
   x = 111,992,483.08/10,863.98
6. Step 6: Final answer
   x = 10,308.61