Finding the Fourth Proportional to 12,104.04, 16,699.32 and 7,628.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,104.04 : 16,699.32 = 7,628.16 : x
2. Step 2: Convert to fraction form
   12,104.04/16,699.32 = 7,628.16/x
3. Step 3: Cross multiply
   12,104.04x = 16,699.32 × 7,628.16
4. Step 4: Simplify right side
   12,104.04x = 127,385,084.85
5. Step 5: Solve for x
   x = 127,385,084.85/12,104.04
6. Step 6: Final answer
   x = 10,524.18