Finding the Fourth Proportional to 22,968.82, 31,698.81 and 12,897.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,968.82 : 31,698.81 = 12,897.93 : x
2. Step 2: Convert to fraction form
   22,968.82/31,698.81 = 12,897.93/x
3. Step 3: Cross multiply
   22,968.82x = 31,698.81 × 12,897.93
4. Step 4: Simplify right side
   22,968.82x = 408,849,032.46
5. Step 5: Solve for x
   x = 408,849,032.46/22,968.82
6. Step 6: Final answer
   x = 17,800.18