Finding the Fourth Proportional to 10,879.82, 16,393.88 and 8,948.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,879.82 : 16,393.88 = 8,948.71 : x
2. Step 2: Convert to fraction form
   10,879.82/16,393.88 = 8,948.71/x
3. Step 3: Cross multiply
   10,879.82x = 16,393.88 × 8,948.71
4. Step 4: Simplify right side
   10,879.82x = 146,704,077.89
5. Step 5: Solve for x
   x = 146,704,077.89/10,879.82
6. Step 6: Final answer
   x = 13,484.05