Finding the Fourth Proportional to 12,623.72, 17,417.22 and 7,317.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,623.72 : 17,417.22 = 7,317.48 : x
2. Step 2: Convert to fraction form
   12,623.72/17,417.22 = 7,317.48/x
3. Step 3: Cross multiply
   12,623.72x = 17,417.22 × 7,317.48
4. Step 4: Simplify right side
   12,623.72x = 127,450,159.01
5. Step 5: Solve for x
   x = 127,450,159.01/12,623.72
6. Step 6: Final answer
   x = 10,096.09