Finding the Fourth Proportional to 10,979.80, 15,152.05 and 5,943.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.80 : 15,152.05 = 5,943.98 : x
2. Step 2: Convert to fraction form
   10,979.80/15,152.05 = 5,943.98/x
3. Step 3: Cross multiply
   10,979.80x = 15,152.05 × 5,943.98
4. Step 4: Simplify right side
   10,979.80x = 90,063,451.15
5. Step 5: Solve for x
   x = 90,063,451.15/10,979.80
6. Step 6: Final answer
   x = 8,202.65