Finding the Fourth Proportional to 1,350.52, 1,864.20 and 826.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.52 : 1,864.20 = 826.60 : x
2. Step 2: Convert to fraction form
   1,350.52/1,864.20 = 826.60/x
3. Step 3: Cross multiply
   1,350.52x = 1,864.20 × 826.60
4. Step 4: Simplify right side
   1,350.52x = 1,540,947.72
5. Step 5: Solve for x
   x = 1,540,947.72/1,350.52
6. Step 6: Final answer
   x = 1,141.00