Finding the Fourth Proportional to 23,053.37, 31,814.21 and 12,982.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,053.37 : 31,814.21 = 12,982.16 : x
2. Step 2: Convert to fraction form
   23,053.37/31,814.21 = 12,982.16/x
3. Step 3: Cross multiply
   23,053.37x = 31,814.21 × 12,982.16
4. Step 4: Simplify right side
   23,053.37x = 413,017,276.48
5. Step 5: Solve for x
   x = 413,017,276.48/23,053.37
6. Step 6: Final answer
   x = 17,915.70