Finding the Fourth Proportional to 12,583.91, 17,364.78 and 7,279.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,583.91 : 17,364.78 = 7,279.07 : x
2. Step 2: Convert to fraction form
   12,583.91/17,364.78 = 7,279.07/x
3. Step 3: Cross multiply
   12,583.91x = 17,364.78 × 7,279.07
4. Step 4: Simplify right side
   12,583.91x = 126,399,362.33
5. Step 5: Solve for x
   x = 126,399,362.33/12,583.91
6. Step 6: Final answer
   x = 10,044.52