Finding the Fourth Proportional to 12,406.69, 17,121.39 and 6,741.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,406.69 : 17,121.39 = 6,741.46 : x
2. Step 2: Convert to fraction form
   12,406.69/17,121.39 = 6,741.46/x
3. Step 3: Cross multiply
   12,406.69x = 17,121.39 × 6,741.46
4. Step 4: Simplify right side
   12,406.69x = 115,423,165.83
5. Step 5: Solve for x
   x = 115,423,165.83/12,406.69
6. Step 6: Final answer
   x = 9,303.30