Finding the Fourth Proportional to 10,715.80, 16,067.94 and 3,317.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,715.80 : 16,067.94 = 3,317.08 : x
2. Step 2: Convert to fraction form
   10,715.80/16,067.94 = 3,317.08/x
3. Step 3: Cross multiply
   10,715.80x = 16,067.94 × 3,317.08
4. Step 4: Simplify right side
   10,715.80x = 53,298,642.42
5. Step 5: Solve for x
   x = 53,298,642.42/10,715.80
6. Step 6: Final answer
   x = 4,973.84