Finding the Fourth Proportional to 10,808.48, 16,218.79 and 5,878.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,808.48 : 16,218.79 = 5,878.46 : x
2. Step 2: Convert to fraction form
   10,808.48/16,218.79 = 5,878.46/x
3. Step 3: Cross multiply
   10,808.48x = 16,218.79 × 5,878.46
4. Step 4: Simplify right side
   10,808.48x = 95,341,503.70
5. Step 5: Solve for x
   x = 95,341,503.70/10,808.48
6. Step 6: Final answer
   x = 8,820.99