Finding the Fourth Proportional to 22,974.64, 31,704.89 and 12,903.23

Step by Step Solution

1. Step 1: Write the proportion equation
   22,974.64 : 31,704.89 = 12,903.23 : x
2. Step 2: Convert to fraction form
   22,974.64/31,704.89 = 12,903.23/x
3. Step 3: Cross multiply
   22,974.64x = 31,704.89 × 12,903.23
4. Step 4: Simplify right side
   22,974.64x = 409,095,502.54
5. Step 5: Solve for x
   x = 409,095,502.54/22,974.64
6. Step 6: Final answer
   x = 17,806.40