Finding the Fourth Proportional to 10,962.12, 16,443.54 and 3,942.66

Step by Step Solution

1. Step 1: Write the proportion equation
   10,962.12 : 16,443.54 = 3,942.66 : x
2. Step 2: Convert to fraction form
   10,962.12/16,443.54 = 3,942.66/x
3. Step 3: Cross multiply
   10,962.12x = 16,443.54 × 3,942.66
4. Step 4: Simplify right side
   10,962.12x = 64,831,287.42
5. Step 5: Solve for x
   x = 64,831,287.42/10,962.12
6. Step 6: Final answer
   x = 5,914.12