Finding the Fourth Proportional to 12,404.91, 17,133.63 and 9,042.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.91 : 17,133.63 = 9,042.33 : x
2. Step 2: Convert to fraction form
   12,404.91/17,133.63 = 9,042.33/x
3. Step 3: Cross multiply
   12,404.91x = 17,133.63 × 9,042.33
4. Step 4: Simplify right side
   12,404.91x = 154,927,936.56
5. Step 5: Solve for x
   x = 154,927,936.56/12,404.91
6. Step 6: Final answer
   x = 12,489.24