Finding the Fourth Proportional to 22,820.94, 31,492.55 and 12,749.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,820.94 : 31,492.55 = 12,749.54 : x
2. Step 2: Convert to fraction form
   22,820.94/31,492.55 = 12,749.54/x
3. Step 3: Cross multiply
   22,820.94x = 31,492.55 × 12,749.54
4. Step 4: Simplify right side
   22,820.94x = 401,515,304.72
5. Step 5: Solve for x
   x = 401,515,304.72/22,820.94
6. Step 6: Final answer
   x = 17,594.16