Finding the Fourth Proportional to 1,358.86, 1,874.46 and 834.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.86 : 1,874.46 = 834.52 : x
2. Step 2: Convert to fraction form
   1,358.86/1,874.46 = 834.52/x
3. Step 3: Cross multiply
   1,358.86x = 1,874.46 × 834.52
4. Step 4: Simplify right side
   1,358.86x = 1,564,274.36
5. Step 5: Solve for x
   x = 1,564,274.36/1,358.86
6. Step 6: Final answer
   x = 1,151.17