Finding the Fourth Proportional to 11,014.57, 15,200.21 and 5,978.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,014.57 : 15,200.21 = 5,978.84 : x
2. Step 2: Convert to fraction form
   11,014.57/15,200.21 = 5,978.84/x
3. Step 3: Cross multiply
   11,014.57x = 15,200.21 × 5,978.84
4. Step 4: Simplify right side
   11,014.57x = 90,879,562.50
5. Step 5: Solve for x
   x = 90,879,562.50/11,014.57
6. Step 6: Final answer
   x = 8,250.85