Finding the Fourth Proportional to 12,085.58, 16,665 and 7,604.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,085.58 : 16,665 = 7,604.12 : x
2. Step 2: Convert to fraction form
   12,085.58/16,665 = 7,604.12/x
3. Step 3: Cross multiply
   12,085.58x = 16,665 × 7,604.12
4. Step 4: Simplify right side
   12,085.58x = 126,722,659.80
5. Step 5: Solve for x
   x = 126,722,659.80/12,085.58
6. Step 6: Final answer
   x = 10,485.44