Finding the Fourth Proportional to 23,053.86, 31,811.68 and 12,982.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,053.86 : 31,811.68 = 12,982.04 : x
2. Step 2: Convert to fraction form
   23,053.86/31,811.68 = 12,982.04/x
3. Step 3: Cross multiply
   23,053.86x = 31,811.68 × 12,982.04
4. Step 4: Simplify right side
   23,053.86x = 412,980,502.23
5. Step 5: Solve for x
   x = 412,980,502.23/23,053.86
6. Step 6: Final answer
   x = 17,913.72