Finding the Fourth Proportional to 23,169.34, 31,973.72 and 12,559.00

Step by Step Solution

1. Step 1: Write the proportion equation
   23,169.34 : 31,973.72 = 12,559.00 : x
2. Step 2: Convert to fraction form
   23,169.34/31,973.72 = 12,559.00/x
3. Step 3: Cross multiply
   23,169.34x = 31,973.72 × 12,559.00
4. Step 4: Simplify right side
   23,169.34x = 401,557,789.61
5. Step 5: Solve for x
   x = 401,557,789.61/23,169.34
6. Step 6: Final answer
   x = 17,331.43