Finding the Fourth Proportional to 1,942.42, 2,915.08 and 1,119.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.42 : 2,915.08 = 1,119.59 : x
2. Step 2: Convert to fraction form
   1,942.42/2,915.08 = 1,119.59/x
3. Step 3: Cross multiply
   1,942.42x = 2,915.08 × 1,119.59
4. Step 4: Simplify right side
   1,942.42x = 3,263,698.91
5. Step 5: Solve for x
   x = 3,263,698.91/1,942.42
6. Step 6: Final answer
   x = 1,680.23