Finding the Fourth Proportional to 10,978.84, 15,150.81 and 5,943.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.84 : 15,150.81 = 5,943.07 : x
2. Step 2: Convert to fraction form
   10,978.84/15,150.81 = 5,943.07/x
3. Step 3: Cross multiply
   10,978.84x = 15,150.81 × 5,943.07
4. Step 4: Simplify right side
   10,978.84x = 90,042,324.39
5. Step 5: Solve for x
   x = 90,042,324.39/10,978.84
6. Step 6: Final answer
   x = 8,201.44