Finding the Fourth Proportional to 1,964.42, 2,942.49 and 1,345.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964.42 : 2,942.49 = 1,345.22 : x
2. Step 2: Convert to fraction form
   1,964.42/2,942.49 = 1,345.22/x
3. Step 3: Cross multiply
   1,964.42x = 2,942.49 × 1,345.22
4. Step 4: Simplify right side
   1,964.42x = 3,958,296.40
5. Step 5: Solve for x
   x = 3,958,296.40/1,964.42
6. Step 6: Final answer
   x = 2,014.99