Finding the Fourth Proportional to 12,448.01, 17,166.71 and 9,085.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,448.01 : 17,166.71 = 9,085.49 : x
2. Step 2: Convert to fraction form
   12,448.01/17,166.71 = 9,085.49/x
3. Step 3: Cross multiply
   12,448.01x = 17,166.71 × 9,085.49
4. Step 4: Simplify right side
   12,448.01x = 155,967,992.24
5. Step 5: Solve for x
   x = 155,967,992.24/12,448.01
6. Step 6: Final answer
   x = 12,529.56