Finding the Fourth Proportional to 7,155.82, 10,732.09 and 1,962.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,155.82 : 10,732.09 = 1,962.10 : x
2. Step 2: Convert to fraction form
   7,155.82/10,732.09 = 1,962.10/x
3. Step 3: Cross multiply
   7,155.82x = 10,732.09 × 1,962.10
4. Step 4: Simplify right side
   7,155.82x = 21,057,433.79
5. Step 5: Solve for x
   x = 21,057,433.79/7,155.82
6. Step 6: Final answer
   x = 2,942.70