Finding the Fourth Proportional to 10,827.33, 14,927.81 and 8,879.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,827.33 : 14,927.81 = 8,879.86 : x
2. Step 2: Convert to fraction form
   10,827.33/14,927.81 = 8,879.86/x
3. Step 3: Cross multiply
   10,827.33x = 14,927.81 × 8,879.86
4. Step 4: Simplify right side
   10,827.33x = 132,556,788.27
5. Step 5: Solve for x
   x = 132,556,788.27/10,827.33
6. Step 6: Final answer
   x = 12,242.80