Finding the Fourth Proportional to 10,155, 14,014.17 and 5,679.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155 : 14,014.17 = 5,679.51 : x
2. Step 2: Convert to fraction form
   10,155/14,014.17 = 5,679.51/x
3. Step 3: Cross multiply
   10,155x = 14,014.17 × 5,679.51
4. Step 4: Simplify right side
   10,155x = 79,593,618.66
5. Step 5: Solve for x
   x = 79,593,618.66/10,155
6. Step 6: Final answer
   x = 7,837.87