Finding the Fourth Proportional to 1,358.43, 1,874.54 and 834.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.43 : 1,874.54 = 834.47 : x
2. Step 2: Convert to fraction form
   1,358.43/1,874.54 = 834.47/x
3. Step 3: Cross multiply
   1,358.43x = 1,874.54 × 834.47
4. Step 4: Simplify right side
   1,358.43x = 1,564,233.85
5. Step 5: Solve for x
   x = 1,564,233.85/1,358.43
6. Step 6: Final answer
   x = 1,151.50