Finding the Fourth Proportional to 2,083.77, 3,107.34 and 1,770.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.77 : 3,107.34 = 1,770.30 : x
2. Step 2: Convert to fraction form
   2,083.77/3,107.34 = 1,770.30/x
3. Step 3: Cross multiply
   2,083.77x = 3,107.34 × 1,770.30
4. Step 4: Simplify right side
   2,083.77x = 5,500,924.00
5. Step 5: Solve for x
   x = 5,500,924.00/2,083.77
6. Step 6: Final answer
   x = 2,639.89