Finding the Fourth Proportional to 3,945.33, 5,919.39 and 1,753.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.33 : 5,919.39 = 1,753.86 : x
2. Step 2: Convert to fraction form
   3,945.33/5,919.39 = 1,753.86/x
3. Step 3: Cross multiply
   3,945.33x = 5,919.39 × 1,753.86
4. Step 4: Simplify right side
   3,945.33x = 10,381,781.35
5. Step 5: Solve for x
   x = 10,381,781.35/3,945.33
6. Step 6: Final answer
   x = 2,631.41