Finding the Fourth Proportional to 23,728.71, 32,744.59 and 12,973.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,728.71 : 32,744.59 = 12,973.40 : x
2. Step 2: Convert to fraction form
   23,728.71/32,744.59 = 12,973.40/x
3. Step 3: Cross multiply
   23,728.71x = 32,744.59 × 12,973.40
4. Step 4: Simplify right side
   23,728.71x = 424,808,590.54
5. Step 5: Solve for x
   x = 424,808,590.54/23,728.71
6. Step 6: Final answer
   x = 17,902.72