Finding the Fourth Proportional to 1,330.43, 1,835.46 and 826.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,330.43 : 1,835.46 = 826.05 : x
2. Step 2: Convert to fraction form
   1,330.43/1,835.46 = 826.05/x
3. Step 3: Cross multiply
   1,330.43x = 1,835.46 × 826.05
4. Step 4: Simplify right side
   1,330.43x = 1,516,181.73
5. Step 5: Solve for x
   x = 1,516,181.73/1,330.43
6. Step 6: Final answer
   x = 1,139.62