Finding the Fourth Proportional to 23,053.42, 31,816.74 and 12,983.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,053.42 : 31,816.74 = 12,983.82 : x
2. Step 2: Convert to fraction form
   23,053.42/31,816.74 = 12,983.82/x
3. Step 3: Cross multiply
   23,053.42x = 31,816.74 × 12,983.82
4. Step 4: Simplify right side
   23,053.42x = 413,102,825.15
5. Step 5: Solve for x
   x = 413,102,825.15/23,053.42
6. Step 6: Final answer
   x = 17,919.37