Finding the Fourth Proportional to 23,053.61, 31,813.67 and 12,982.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,053.61 : 31,813.67 = 12,982.18 : x
2. Step 2: Convert to fraction form
   23,053.61/31,813.67 = 12,982.18/x
3. Step 3: Cross multiply
   23,053.61x = 31,813.67 × 12,982.18
4. Step 4: Simplify right side
   23,053.61x = 413,010,631.33
5. Step 5: Solve for x
   x = 413,010,631.33/23,053.61
6. Step 6: Final answer
   x = 17,915.23