Finding the Fourth Proportional to 12,357.93, 17,034.00 and 9,664.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,357.93 : 17,034.00 = 9,664.38 : x
2. Step 2: Convert to fraction form
   12,357.93/17,034.00 = 9,664.38/x
3. Step 3: Cross multiply
   12,357.93x = 17,034.00 × 9,664.38
4. Step 4: Simplify right side
   12,357.93x = 164,623,012.68
5. Step 5: Solve for x
   x = 164,623,012.68/12,357.93
6. Step 6: Final answer
   x = 13,321.24