Finding the Fourth Proportional to 2,059.62, 2,842.86 and 2,018.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.62 : 2,842.86 = 2,018.31 : x
2. Step 2: Convert to fraction form
   2,059.62/2,842.86 = 2,018.31/x
3. Step 3: Cross multiply
   2,059.62x = 2,842.86 × 2,018.31
4. Step 4: Simplify right side
   2,059.62x = 5,737,772.77
5. Step 5: Solve for x
   x = 5,737,772.77/2,059.62
6. Step 6: Final answer
   x = 2,785.84