Finding the Fourth Proportional to 11,015.34, 15,200.76 and 5,979.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,015.34 : 15,200.76 = 5,979.46 : x
2. Step 2: Convert to fraction form
   11,015.34/15,200.76 = 5,979.46/x
3. Step 3: Cross multiply
   11,015.34x = 15,200.76 × 5,979.46
4. Step 4: Simplify right side
   11,015.34x = 90,892,260.39
5. Step 5: Solve for x
   x = 90,892,260.39/11,015.34
6. Step 6: Final answer
   x = 8,251.43