Finding the Fourth Proportional to 1,357.43, 1,873.23 and 826.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.43 : 1,873.23 = 826.12 : x
2. Step 2: Convert to fraction form
   1,357.43/1,873.23 = 826.12/x
3. Step 3: Cross multiply
   1,357.43x = 1,873.23 × 826.12
4. Step 4: Simplify right side
   1,357.43x = 1,547,512.77
5. Step 5: Solve for x
   x = 1,547,512.77/1,357.43
6. Step 6: Final answer
   x = 1,140.03