Finding the Fourth Proportional to 10,752.62, 16,131.35 and 4,178.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,752.62 : 16,131.35 = 4,178.86 : x
2. Step 2: Convert to fraction form
   10,752.62/16,131.35 = 4,178.86/x
3. Step 3: Cross multiply
   10,752.62x = 16,131.35 × 4,178.86
4. Step 4: Simplify right side
   10,752.62x = 67,410,623.38
5. Step 5: Solve for x
   x = 67,410,623.38/10,752.62
6. Step 6: Final answer
   x = 6,269.23