Finding the Fourth Proportional to 10,933.52, 15,089.92 and 7,962.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,933.52 : 15,089.92 = 7,962.86 : x
2. Step 2: Convert to fraction form
   10,933.52/15,089.92 = 7,962.86/x
3. Step 3: Cross multiply
   10,933.52x = 15,089.92 × 7,962.86
4. Step 4: Simplify right side
   10,933.52x = 120,158,920.37
5. Step 5: Solve for x
   x = 120,158,920.37/10,933.52
6. Step 6: Final answer
   x = 10,989.96