Finding the Fourth Proportional to 1,489.95, 2,056.09 and 826.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,489.95 : 2,056.09 = 826.83 : x
2. Step 2: Convert to fraction form
   1,489.95/2,056.09 = 826.83/x
3. Step 3: Cross multiply
   1,489.95x = 2,056.09 × 826.83
4. Step 4: Simplify right side
   1,489.95x = 1,700,036.89
5. Step 5: Solve for x
   x = 1,700,036.89/1,489.95
6. Step 6: Final answer
   x = 1,141.00