Finding the Fourth Proportional to 17,196.78, 23,735.78 and 10,486.11

Step by Step Solution

1. Step 1: Write the proportion equation
   17,196.78 : 23,735.78 = 10,486.11 : x
2. Step 2: Convert to fraction form
   17,196.78/23,735.78 = 10,486.11/x
3. Step 3: Cross multiply
   17,196.78x = 23,735.78 × 10,486.11
4. Step 4: Simplify right side
   17,196.78x = 248,895,947.59
5. Step 5: Solve for x
   x = 248,895,947.59/17,196.78
6. Step 6: Final answer
   x = 14,473.40