Finding the Fourth Proportional to 10,759.61, 14,847.71 and 5,979.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,759.61 : 14,847.71 = 5,979.87 : x
2. Step 2: Convert to fraction form
   10,759.61/14,847.71 = 5,979.87/x
3. Step 3: Cross multiply
   10,759.61x = 14,847.71 × 5,979.87
4. Step 4: Simplify right side
   10,759.61x = 88,787,345.70
5. Step 5: Solve for x
   x = 88,787,345.70/10,759.61
6. Step 6: Final answer
   x = 8,251.91