Finding the Fourth Proportional to 11,886.08, 16,404.59 and 6,851.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,886.08 : 16,404.59 = 6,851.05 : x
2. Step 2: Convert to fraction form
   11,886.08/16,404.59 = 6,851.05/x
3. Step 3: Cross multiply
   11,886.08x = 16,404.59 × 6,851.05
4. Step 4: Simplify right side
   11,886.08x = 112,388,666.32
5. Step 5: Solve for x
   x = 112,388,666.32/11,886.08
6. Step 6: Final answer
   x = 9,455.49