Finding the Fourth Proportional to 10,998.69, 15,178.31 and 5,962.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,998.69 : 15,178.31 = 5,962.92 : x
2. Step 2: Convert to fraction form
   10,998.69/15,178.31 = 5,962.92/x
3. Step 3: Cross multiply
   10,998.69x = 15,178.31 × 5,962.92
4. Step 4: Simplify right side
   10,998.69x = 90,507,018.45
5. Step 5: Solve for x
   x = 90,507,018.45/10,998.69
6. Step 6: Final answer
   x = 8,228.89