Finding the Fourth Proportional to 3,773.49, 5,649.72 and 1,920.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,773.49 : 5,649.72 = 1,920.62 : x
2. Step 2: Convert to fraction form
   3,773.49/5,649.72 = 1,920.62/x
3. Step 3: Cross multiply
   3,773.49x = 5,649.72 × 1,920.62
4. Step 4: Simplify right side
   3,773.49x = 10,850,936.98
5. Step 5: Solve for x
   x = 10,850,936.98/3,773.49
6. Step 6: Final answer
   x = 2,875.57