Finding the Fourth Proportional to 1,358.46, 1,874.61 and 834.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.46 : 1,874.61 = 834.48 : x
2. Step 2: Convert to fraction form
   1,358.46/1,874.61 = 834.48/x
3. Step 3: Cross multiply
   1,358.46x = 1,874.61 × 834.48
4. Step 4: Simplify right side
   1,358.46x = 1,564,324.55
5. Step 5: Solve for x
   x = 1,564,324.55/1,358.46
6. Step 6: Final answer
   x = 1,151.54