Finding the Fourth Proportional to 10,763.34, 16,142.49 and 4,186.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,763.34 : 16,142.49 = 4,186.86 : x
2. Step 2: Convert to fraction form
   10,763.34/16,142.49 = 4,186.86/x
3. Step 3: Cross multiply
   10,763.34x = 16,142.49 × 4,186.86
4. Step 4: Simplify right side
   10,763.34x = 67,586,345.68
5. Step 5: Solve for x
   x = 67,586,345.68/10,763.34
6. Step 6: Final answer
   x = 6,279.31