Finding the Fourth Proportional to 12,005.83, 17,996.43 and 4,608.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,005.83 : 17,996.43 = 4,608.30 : x
2. Step 2: Convert to fraction form
   12,005.83/17,996.43 = 4,608.30/x
3. Step 3: Cross multiply
   12,005.83x = 17,996.43 × 4,608.30
4. Step 4: Simplify right side
   12,005.83x = 82,932,858.39
5. Step 5: Solve for x
   x = 82,932,858.39/12,005.83
6. Step 6: Final answer
   x = 6,907.72