Finding the Fourth Proportional to 10,155.43, 14,014.34 and 5,679.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.43 : 14,014.34 = 5,679.14 : x
2. Step 2: Convert to fraction form
   10,155.43/14,014.34 = 5,679.14/x
3. Step 3: Cross multiply
   10,155.43x = 14,014.34 × 5,679.14
4. Step 4: Simplify right side
   10,155.43x = 79,589,377.08
5. Step 5: Solve for x
   x = 79,589,377.08/10,155.43
6. Step 6: Final answer
   x = 7,837.13