Finding the Fourth Proportional to 1,489.95, 2,056.15 and 826.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,489.95 : 2,056.15 = 826.82 : x
2. Step 2: Convert to fraction form
   1,489.95/2,056.15 = 826.82/x
3. Step 3: Cross multiply
   1,489.95x = 2,056.15 × 826.82
4. Step 4: Simplify right side
   1,489.95x = 1,700,065.94
5. Step 5: Solve for x
   x = 1,700,065.94/1,489.95
6. Step 6: Final answer
   x = 1,141.02