Finding the Fourth Proportional to 11,014.60, 15,200.16 and 5,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,014.60 : 15,200.16 = 5,978.82 : x
2. Step 2: Convert to fraction form
   11,014.60/15,200.16 = 5,978.82/x
3. Step 3: Cross multiply
   11,014.60x = 15,200.16 × 5,978.82
4. Step 4: Simplify right side
   11,014.60x = 90,878,963.61
5. Step 5: Solve for x
   x = 90,878,963.61/11,014.60
6. Step 6: Final answer
   x = 8,250.77