Finding the Fourth Proportional to 2,003.88, 3,006.24 and 705.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.88 : 3,006.24 = 705.45 : x
2. Step 2: Convert to fraction form
   2,003.88/3,006.24 = 705.45/x
3. Step 3: Cross multiply
   2,003.88x = 3,006.24 × 705.45
4. Step 4: Simplify right side
   2,003.88x = 2,120,752.01
5. Step 5: Solve for x
   x = 2,120,752.01/2,003.88
6. Step 6: Final answer
   x = 1,058.32