Finding the Fourth Proportional to 1,357.62, 1,873.86 and 834.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.62 : 1,873.86 = 834.12 : x
2. Step 2: Convert to fraction form
   1,357.62/1,873.86 = 834.12/x
3. Step 3: Cross multiply
   1,357.62x = 1,873.86 × 834.12
4. Step 4: Simplify right side
   1,357.62x = 1,563,024.10
5. Step 5: Solve for x
   x = 1,563,024.10/1,357.62
6. Step 6: Final answer
   x = 1,151.30