Finding the Fourth Proportional to 7,962.12, 10,989.54 and 5,162.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,962.12 : 10,989.54 = 5,162.76 : x
2. Step 2: Convert to fraction form
   7,962.12/10,989.54 = 5,162.76/x
3. Step 3: Cross multiply
   7,962.12x = 10,989.54 × 5,162.76
4. Step 4: Simplify right side
   7,962.12x = 56,736,357.53
5. Step 5: Solve for x
   x = 56,736,357.53/7,962.12
6. Step 6: Final answer
   x = 7,125.79