Finding the Fourth Proportional to 1,357.32, 1,873.14 and 826.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.32 : 1,873.14 = 826.04 : x
2. Step 2: Convert to fraction form
   1,357.32/1,873.14 = 826.04/x
3. Step 3: Cross multiply
   1,357.32x = 1,873.14 × 826.04
4. Step 4: Simplify right side
   1,357.32x = 1,547,288.57
5. Step 5: Solve for x
   x = 1,547,288.57/1,357.32
6. Step 6: Final answer
   x = 1,139.96