Finding the Fourth Proportional to 9,488.15, 14,236.55 and 3,945.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,488.15 : 14,236.55 = 3,945.59 : x
2. Step 2: Convert to fraction form
   9,488.15/14,236.55 = 3,945.59/x
3. Step 3: Cross multiply
   9,488.15x = 14,236.55 × 3,945.59
4. Step 4: Simplify right side
   9,488.15x = 56,171,589.31
5. Step 5: Solve for x
   x = 56,171,589.31/9,488.15
6. Step 6: Final answer
   x = 5,920.18