Finding the Fourth Proportional to 11,886.42, 16,404.48 and 6,850.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,886.42 : 16,404.48 = 6,850.86 : x
2. Step 2: Convert to fraction form
   11,886.42/16,404.48 = 6,850.86/x
3. Step 3: Cross multiply
   11,886.42x = 16,404.48 × 6,850.86
4. Step 4: Simplify right side
   11,886.42x = 112,384,795.85
5. Step 5: Solve for x
   x = 112,384,795.85/11,886.42
6. Step 6: Final answer
   x = 9,454.89