Finding the Fourth Proportional to 22,897.49, 31,599.72 and 12,825.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,897.49 : 31,599.72 = 12,825.34 : x
2. Step 2: Convert to fraction form
   22,897.49/31,599.72 = 12,825.34/x
3. Step 3: Cross multiply
   22,897.49x = 31,599.72 × 12,825.34
4. Step 4: Simplify right side
   22,897.49x = 405,277,073.91
5. Step 5: Solve for x
   x = 405,277,073.91/22,897.49
6. Step 6: Final answer
   x = 17,699.63