Finding the Fourth Proportional to 31,259.52, 43,136.52 and 17,109.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,259.52 : 43,136.52 = 17,109.68 : x
2. Step 2: Convert to fraction form
   31,259.52/43,136.52 = 17,109.68/x
3. Step 3: Cross multiply
   31,259.52x = 43,136.52 × 17,109.68
4. Step 4: Simplify right side
   31,259.52x = 738,052,053.51
5. Step 5: Solve for x
   x = 738,052,053.51/31,259.52
6. Step 6: Final answer
   x = 23,610.47