Finding the Fourth Proportional to 10,191.15, 14,057.83 and 6,408.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,191.15 : 14,057.83 = 6,408.33 : x
2. Step 2: Convert to fraction form
   10,191.15/14,057.83 = 6,408.33/x
3. Step 3: Cross multiply
   10,191.15x = 14,057.83 × 6,408.33
4. Step 4: Simplify right side
   10,191.15x = 90,087,111.39
5. Step 5: Solve for x
   x = 90,087,111.39/10,191.15
6. Step 6: Final answer
   x = 8,839.74