Finding the Fourth Proportional to 2,059.61, 3,087.18 and 826.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.61 : 3,087.18 = 826.52 : x
2. Step 2: Convert to fraction form
   2,059.61/3,087.18 = 826.52/x
3. Step 3: Cross multiply
   2,059.61x = 3,087.18 × 826.52
4. Step 4: Simplify right side
   2,059.61x = 2,551,600.58
5. Step 5: Solve for x
   x = 2,551,600.58/2,059.61
6. Step 6: Final answer
   x = 1,238.88