Finding the Fourth Proportional to 17,239.59, 23,789.73 and 9,686.22

Step by Step Solution

1. Step 1: Write the proportion equation
   17,239.59 : 23,789.73 = 9,686.22 : x
2. Step 2: Convert to fraction form
   17,239.59/23,789.73 = 9,686.22/x
3. Step 3: Cross multiply
   17,239.59x = 23,789.73 × 9,686.22
4. Step 4: Simplify right side
   17,239.59x = 230,432,558.52
5. Step 5: Solve for x
   x = 230,432,558.52/17,239.59
6. Step 6: Final answer
   x = 13,366.48