Finding the Fourth Proportional to 22,803.86, 31,469.04 and 12,732.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,803.86 : 31,469.04 = 12,732.48 : x
2. Step 2: Convert to fraction form
   22,803.86/31,469.04 = 12,732.48/x
3. Step 3: Cross multiply
   22,803.86x = 31,469.04 × 12,732.48
4. Step 4: Simplify right side
   22,803.86x = 400,678,922.42
5. Step 5: Solve for x
   x = 400,678,922.42/22,803.86
6. Step 6: Final answer
   x = 17,570.66