Finding the Fourth Proportional to 12,601.17, 17,389.67 and 7,012.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,601.17 : 17,389.67 = 7,012.17 : x
2. Step 2: Convert to fraction form
   12,601.17/17,389.67 = 7,012.17/x
3. Step 3: Cross multiply
   12,601.17x = 17,389.67 × 7,012.17
4. Step 4: Simplify right side
   12,601.17x = 121,939,287.22
5. Step 5: Solve for x
   x = 121,939,287.22/12,601.17
6. Step 6: Final answer
   x = 9,676.82