Finding the Fourth Proportional to 21,968.83, 30,316.82 and 11,897.04

Step by Step Solution

1. Step 1: Write the proportion equation
   21,968.83 : 30,316.82 = 11,897.04 : x
2. Step 2: Convert to fraction form
   21,968.83/30,316.82 = 11,897.04/x
3. Step 3: Cross multiply
   21,968.83x = 30,316.82 × 11,897.04
4. Step 4: Simplify right side
   21,968.83x = 360,680,336.27
5. Step 5: Solve for x
   x = 360,680,336.27/21,968.83
6. Step 6: Final answer
   x = 16,417.82