Finding the Fourth Proportional to 17,196.78, 23,721.47 and 10,813.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,196.78 : 23,721.47 = 10,813.25 : x
2. Step 2: Convert to fraction form
   17,196.78/23,721.47 = 10,813.25/x
3. Step 3: Cross multiply
   17,196.78x = 23,721.47 × 10,813.25
4. Step 4: Simplify right side
   17,196.78x = 256,506,131.41
5. Step 5: Solve for x
   x = 256,506,131.41/17,196.78
6. Step 6: Final answer
   x = 14,915.94