Finding the Fourth Proportional to 12,406.27, 17,120.72 and 6,741.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,406.27 : 17,120.72 = 6,741.06 : x
2. Step 2: Convert to fraction form
   12,406.27/17,120.72 = 6,741.06/x
3. Step 3: Cross multiply
   12,406.27x = 17,120.72 × 6,741.06
4. Step 4: Simplify right side
   12,406.27x = 115,411,881.82
5. Step 5: Solve for x
   x = 115,411,881.82/12,406.27
6. Step 6: Final answer
   x = 9,302.71