Finding the Fourth Proportional to 11,014.59, 15,199.73 and 5,978.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,014.59 : 15,199.73 = 5,978.71 : x
2. Step 2: Convert to fraction form
   11,014.59/15,199.73 = 5,978.71/x
3. Step 3: Cross multiply
   11,014.59x = 15,199.73 × 5,978.71
4. Step 4: Simplify right side
   11,014.59x = 90,874,671.86
5. Step 5: Solve for x
   x = 90,874,671.86/11,014.59
6. Step 6: Final answer
   x = 8,250.39