Finding the Fourth Proportional to 11,014.62, 15,199.93 and 5,978.85

Step by Step Solution

1. Step 1: Write the proportion equation
   11,014.62 : 15,199.93 = 5,978.85 : x
2. Step 2: Convert to fraction form
   11,014.62/15,199.93 = 5,978.85/x
3. Step 3: Cross multiply
   11,014.62x = 15,199.93 × 5,978.85
4. Step 4: Simplify right side
   11,014.62x = 90,877,995.59
5. Step 5: Solve for x
   x = 90,877,995.59/11,014.62
6. Step 6: Final answer
   x = 8,250.67