Finding the Fourth Proportional to 11,818.05, 16,308.27 and 6,511.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,818.05 : 16,308.27 = 6,511.83 : x
2. Step 2: Convert to fraction form
   11,818.05/16,308.27 = 6,511.83/x
3. Step 3: Cross multiply
   11,818.05x = 16,308.27 × 6,511.83
4. Step 4: Simplify right side
   11,818.05x = 106,196,681.83
5. Step 5: Solve for x
   x = 106,196,681.83/11,818.05
6. Step 6: Final answer
   x = 8,985.97