Finding the Fourth Proportional to 11,014.50, 15,200.03 and 5,978.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,014.50 : 15,200.03 = 5,978.72 : x
2. Step 2: Convert to fraction form
   11,014.50/15,200.03 = 5,978.72/x
3. Step 3: Cross multiply
   11,014.50x = 15,200.03 × 5,978.72
4. Step 4: Simplify right side
   11,014.50x = 90,876,723.36
5. Step 5: Solve for x
   x = 90,876,723.36/11,014.50
6. Step 6: Final answer
   x = 8,250.64