Finding the Fourth Proportional to 10,155.96, 14,015.16 and 5,679.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.96 : 14,015.16 = 5,679.69 : x
2. Step 2: Convert to fraction form
   10,155.96/14,015.16 = 5,679.69/x
3. Step 3: Cross multiply
   10,155.96x = 14,015.16 × 5,679.69
4. Step 4: Simplify right side
   10,155.96x = 79,601,764.10
5. Step 5: Solve for x
   x = 79,601,764.10/10,155.96
6. Step 6: Final answer
   x = 7,837.94