Finding the Fourth Proportional to 12,196.63, 16,843.31 and 10,417.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.63 : 16,843.31 = 10,417.87 : x
2. Step 2: Convert to fraction form
   12,196.63/16,843.31 = 10,417.87/x
3. Step 3: Cross multiply
   12,196.63x = 16,843.31 × 10,417.87
4. Step 4: Simplify right side
   12,196.63x = 175,471,413.95
5. Step 5: Solve for x
   x = 175,471,413.95/12,196.63
6. Step 6: Final answer
   x = 14,386.88