Finding the Fourth Proportional to 12,422.06, 17,141.92 and 7,117.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,422.06 : 17,141.92 = 7,117.37 : x
2. Step 2: Convert to fraction form
   12,422.06/17,141.92 = 7,117.37/x
3. Step 3: Cross multiply
   12,422.06x = 17,141.92 × 7,117.37
4. Step 4: Simplify right side
   12,422.06x = 122,005,283.65
5. Step 5: Solve for x
   x = 122,005,283.65/12,422.06
6. Step 6: Final answer
   x = 9,821.67