Finding the Fourth Proportional to 1,962.87, 2,942.69 and 1,345.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.87 : 2,942.69 = 1,345.05 : x
2. Step 2: Convert to fraction form
   1,962.87/2,942.69 = 1,345.05/x
3. Step 3: Cross multiply
   1,962.87x = 2,942.69 × 1,345.05
4. Step 4: Simplify right side
   1,962.87x = 3,958,058.46
5. Step 5: Solve for x
   x = 3,958,058.46/1,962.87
6. Step 6: Final answer
   x = 2,016.46