Finding the Fourth Proportional to 10,155.58, 14,013.36 and 5,679.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.58 : 14,013.36 = 5,679.16 : x
2. Step 2: Convert to fraction form
   10,155.58/14,013.36 = 5,679.16/x
3. Step 3: Cross multiply
   10,155.58x = 14,013.36 × 5,679.16
4. Step 4: Simplify right side
   10,155.58x = 79,584,113.58
5. Step 5: Solve for x
   x = 79,584,113.58/10,155.58
6. Step 6: Final answer
   x = 7,836.49