Finding the Fourth Proportional to 10,182.85, 15,269.48 and 3,945.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,182.85 : 15,269.48 = 3,945.78 : x
2. Step 2: Convert to fraction form
   10,182.85/15,269.48 = 3,945.78/x
3. Step 3: Cross multiply
   10,182.85x = 15,269.48 × 3,945.78
4. Step 4: Simplify right side
   10,182.85x = 60,250,003.86
5. Step 5: Solve for x
   x = 60,250,003.86/10,182.85
6. Step 6: Final answer
   x = 5,916.81