Finding the Fourth Proportional to 12,290.04, 16,960.53 and 7,255.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,290.04 : 16,960.53 = 7,255.49 : x
2. Step 2: Convert to fraction form
   12,290.04/16,960.53 = 7,255.49/x
3. Step 3: Cross multiply
   12,290.04x = 16,960.53 × 7,255.49
4. Step 4: Simplify right side
   12,290.04x = 123,056,955.81
5. Step 5: Solve for x
   x = 123,056,955.81/12,290.04
6. Step 6: Final answer
   x = 10,012.74