Finding the Fourth Proportional to 10,155.61, 14,016.04 and 5,679.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.61 : 14,016.04 = 5,679.61 : x
2. Step 2: Convert to fraction form
   10,155.61/14,016.04 = 5,679.61/x
3. Step 3: Cross multiply
   10,155.61x = 14,016.04 × 5,679.61
4. Step 4: Simplify right side
   10,155.61x = 79,605,640.94
5. Step 5: Solve for x
   x = 79,605,640.94/10,155.61
6. Step 6: Final answer
   x = 7,838.59