Finding the Fourth Proportional to 10,998.34, 15,177.72 and 5,962.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,998.34 : 15,177.72 = 5,962.57 : x
2. Step 2: Convert to fraction form
   10,998.34/15,177.72 = 5,962.57/x
3. Step 3: Cross multiply
   10,998.34x = 15,177.72 × 5,962.57
4. Step 4: Simplify right side
   10,998.34x = 90,498,217.94
5. Step 5: Solve for x
   x = 90,498,217.94/10,998.34
6. Step 6: Final answer
   x = 8,228.35