Finding the Fourth Proportional to 22,946.63, 31,665.85 and 12,874.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,946.63 : 31,665.85 = 12,874.89 : x
2. Step 2: Convert to fraction form
   22,946.63/31,665.85 = 12,874.89/x
3. Step 3: Cross multiply
   22,946.63x = 31,665.85 × 12,874.89
4. Step 4: Simplify right side
   22,946.63x = 407,694,335.51
5. Step 5: Solve for x
   x = 407,694,335.51/22,946.63
6. Step 6: Final answer
   x = 17,767.07