Finding the Fourth Proportional to 23,423.38, 32,323.86 and 12,812.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,423.38 : 32,323.86 = 12,812.78 : x
2. Step 2: Convert to fraction form
   23,423.38/32,323.86 = 12,812.78/x
3. Step 3: Cross multiply
   23,423.38x = 32,323.86 × 12,812.78
4. Step 4: Simplify right side
   23,423.38x = 414,158,587.74
5. Step 5: Solve for x
   x = 414,158,587.74/23,423.38
6. Step 6: Final answer
   x = 17,681.42