Finding the Fourth Proportional to 10,808.01, 16,176.78 and 5,865.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,808.01 : 16,176.78 = 5,865.39 : x
2. Step 2: Convert to fraction form
   10,808.01/16,176.78 = 5,865.39/x
3. Step 3: Cross multiply
   10,808.01x = 16,176.78 × 5,865.39
4. Step 4: Simplify right side
   10,808.01x = 94,883,123.64
5. Step 5: Solve for x
   x = 94,883,123.64/10,808.01
6. Step 6: Final answer
   x = 8,778.96