Finding the Fourth Proportional to 12,601.72, 17,389.74 and 7,013.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,601.72 : 17,389.74 = 7,013.08 : x
2. Step 2: Convert to fraction form
   12,601.72/17,389.74 = 7,013.08/x
3. Step 3: Cross multiply
   12,601.72x = 17,389.74 × 7,013.08
4. Step 4: Simplify right side
   12,601.72x = 121,955,637.80
5. Step 5: Solve for x
   x = 121,955,637.80/12,601.72
6. Step 6: Final answer
   x = 9,677.70