Finding the Fourth Proportional to 10,168.11, 14,028.80 and 5,691.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,168.11 : 14,028.80 = 5,691.15 : x
2. Step 2: Convert to fraction form
   10,168.11/14,028.80 = 5,691.15/x
3. Step 3: Cross multiply
   10,168.11x = 14,028.80 × 5,691.15
4. Step 4: Simplify right side
   10,168.11x = 79,839,976.66
5. Step 5: Solve for x
   x = 79,839,976.66/10,168.11
6. Step 6: Final answer
   x = 7,852.00