Finding the Fourth Proportional to 11,014.47, 15,199.97 and 5,978.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,014.47 : 15,199.97 = 5,978.69 : x
2. Step 2: Convert to fraction form
   11,014.47/15,199.97 = 5,978.69/x
3. Step 3: Cross multiply
   11,014.47x = 15,199.97 × 5,978.69
4. Step 4: Simplify right side
   11,014.47x = 90,875,908.64
5. Step 5: Solve for x
   x = 90,875,908.64/11,014.47
6. Step 6: Final answer
   x = 8,250.59