Finding the Fourth Proportional to 22,888.83, 31,582.92 and 12,817.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,888.83 : 31,582.92 = 12,817.71 : x
2. Step 2: Convert to fraction form
   22,888.83/31,582.92 = 12,817.71/x
3. Step 3: Cross multiply
   22,888.83x = 31,582.92 × 12,817.71
4. Step 4: Simplify right side
   22,888.83x = 404,820,709.51
5. Step 5: Solve for x
   x = 404,820,709.51/22,888.83
6. Step 6: Final answer
   x = 17,686.39