Finding the Fourth Proportional to 2,003.77, 3,005.55 and 705.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.77 : 3,005.55 = 705.19 : x
2. Step 2: Convert to fraction form
   2,003.77/3,005.55 = 705.19/x
3. Step 3: Cross multiply
   2,003.77x = 3,005.55 × 705.19
4. Step 4: Simplify right side
   2,003.77x = 2,119,483.80
5. Step 5: Solve for x
   x = 2,119,483.80/2,003.77
6. Step 6: Final answer
   x = 1,057.75