Finding the Fourth Proportional to 10,886.48, 15,027.84 and 8,234.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886.48 : 15,027.84 = 8,234.72 : x
2. Step 2: Convert to fraction form
   10,886.48/15,027.84 = 8,234.72/x
3. Step 3: Cross multiply
   10,886.48x = 15,027.84 × 8,234.72
4. Step 4: Simplify right side
   10,886.48x = 123,750,054.60
5. Step 5: Solve for x
   x = 123,750,054.60/10,886.48
6. Step 6: Final answer
   x = 11,367.32