Finding the Fourth Proportional to 12,754.63, 17,589.61 and 7,973.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,754.63 : 17,589.61 = 7,973.06 : x
2. Step 2: Convert to fraction form
   12,754.63/17,589.61 = 7,973.06/x
3. Step 3: Cross multiply
   12,754.63x = 17,589.61 × 7,973.06
4. Step 4: Simplify right side
   12,754.63x = 140,242,993.00
5. Step 5: Solve for x
   x = 140,242,993.00/12,754.63
6. Step 6: Final answer
   x = 10,995.45