Finding the Fourth Proportional to 22,842.79, 31,523.27 and 12,771.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,842.79 : 31,523.27 = 12,771.79 : x
2. Step 2: Convert to fraction form
   22,842.79/31,523.27 = 12,771.79/x
3. Step 3: Cross multiply
   22,842.79x = 31,523.27 × 12,771.79
4. Step 4: Simplify right side
   22,842.79x = 402,608,441.89
5. Step 5: Solve for x
   x = 402,608,441.89/22,842.79
6. Step 6: Final answer
   x = 17,625.19