Finding the Fourth Proportional to 22,588.71, 31,171.94 and 12,517.07

Step by Step Solution

1. Step 1: Write the proportion equation
   22,588.71 : 31,171.94 = 12,517.07 : x
2. Step 2: Convert to fraction form
   22,588.71/31,171.94 = 12,517.07/x
3. Step 3: Cross multiply
   22,588.71x = 31,171.94 × 12,517.07
4. Step 4: Simplify right side
   22,588.71x = 390,181,183.51
5. Step 5: Solve for x
   x = 390,181,183.51/22,588.71
6. Step 6: Final answer
   x = 17,273.29