Finding the Fourth Proportional to 2,070.28, 2,855.82 and 1,362.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.28 : 2,855.82 = 1,362.16 : x
2. Step 2: Convert to fraction form
   2,070.28/2,855.82 = 1,362.16/x
3. Step 3: Cross multiply
   2,070.28x = 2,855.82 × 1,362.16
4. Step 4: Simplify right side
   2,070.28x = 3,890,083.77
5. Step 5: Solve for x
   x = 3,890,083.77/2,070.28
6. Step 6: Final answer
   x = 1,879.01