Finding the Fourth Proportional to 11,666.42, 16,093.83 and 7,686.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,666.42 : 16,093.83 = 7,686.08 : x
2. Step 2: Convert to fraction form
   11,666.42/16,093.83 = 7,686.08/x
3. Step 3: Cross multiply
   11,666.42x = 16,093.83 × 7,686.08
4. Step 4: Simplify right side
   11,666.42x = 123,698,384.42
5. Step 5: Solve for x
   x = 123,698,384.42/11,666.42
6. Step 6: Final answer
   x = 10,602.95