Finding the Fourth Proportional to 10,799.87, 16,196.16 and 4,134.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,799.87 : 16,196.16 = 4,134.80 : x
2. Step 2: Convert to fraction form
   10,799.87/16,196.16 = 4,134.80/x
3. Step 3: Cross multiply
   10,799.87x = 16,196.16 × 4,134.80
4. Step 4: Simplify right side
   10,799.87x = 66,967,801.39
5. Step 5: Solve for x
   x = 66,967,801.39/10,799.87
6. Step 6: Final answer
   x = 6,200.80