Finding the Fourth Proportional to 3,903.42, 5,853.72 and 1,305.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,903.42 : 5,853.72 = 1,305.75 : x
2. Step 2: Convert to fraction form
   3,903.42/5,853.72 = 1,305.75/x
3. Step 3: Cross multiply
   3,903.42x = 5,853.72 × 1,305.75
4. Step 4: Simplify right side
   3,903.42x = 7,643,494.89
5. Step 5: Solve for x
   x = 7,643,494.89/3,903.42
6. Step 6: Final answer
   x = 1,958.15