Finding the Fourth Proportional to 12,449.51, 17,181.17 and 7,606.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,449.51 : 17,181.17 = 7,606.31 : x
2. Step 2: Convert to fraction form
   12,449.51/17,181.17 = 7,606.31/x
3. Step 3: Cross multiply
   12,449.51x = 17,181.17 × 7,606.31
4. Step 4: Simplify right side
   12,449.51x = 130,685,181.25
5. Step 5: Solve for x
   x = 130,685,181.25/12,449.51
6. Step 6: Final answer
   x = 10,497.22