Finding the Fourth Proportional to 22,923.10, 31,633.86 and 12,851.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,923.10 : 31,633.86 = 12,851.55 : x
2. Step 2: Convert to fraction form
   22,923.10/31,633.86 = 12,851.55/x
3. Step 3: Cross multiply
   22,923.10x = 31,633.86 × 12,851.55
4. Step 4: Simplify right side
   22,923.10x = 406,544,133.48
5. Step 5: Solve for x
   x = 406,544,133.48/22,923.10
6. Step 6: Final answer
   x = 17,735.13