Finding the Fourth Proportional to 10,157.05, 14,016.18 and 5,679.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,157.05 : 14,016.18 = 5,679.91 : x
2. Step 2: Convert to fraction form
   10,157.05/14,016.18 = 5,679.91/x
3. Step 3: Cross multiply
   10,157.05x = 14,016.18 × 5,679.91
4. Step 4: Simplify right side
   10,157.05x = 79,610,640.94
5. Step 5: Solve for x
   x = 79,610,640.94/10,157.05
6. Step 6: Final answer
   x = 7,837.97