Finding the Fourth Proportional to 23,053.68, 31,812.05 and 12,843.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,053.68 : 31,812.05 = 12,843.96 : x
2. Step 2: Convert to fraction form
   23,053.68/31,812.05 = 12,843.96/x
3. Step 3: Cross multiply
   23,053.68x = 31,812.05 × 12,843.96
4. Step 4: Simplify right side
   23,053.68x = 408,592,697.72
5. Step 5: Solve for x
   x = 408,592,697.72/23,053.68
6. Step 6: Final answer
   x = 17,723.53