Finding the Fourth Proportional to 23,053.48, 31,814.82 and 12,981.93

Step by Step Solution

1. Step 1: Write the proportion equation
   23,053.48 : 31,814.82 = 12,981.93 : x
2. Step 2: Convert to fraction form
   23,053.48/31,814.82 = 12,981.93/x
3. Step 3: Cross multiply
   23,053.48x = 31,814.82 × 12,981.93
4. Step 4: Simplify right side
   23,053.48x = 413,017,766.20
5. Step 5: Solve for x
   x = 413,017,766.20/23,053.48
6. Step 6: Final answer
   x = 17,915.64