Finding the Fourth Proportional to 16,820.75, 23,211.52 and 10,102.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,820.75 : 23,211.52 = 10,102.38 : x
2. Step 2: Convert to fraction form
   16,820.75/23,211.52 = 10,102.38/x
3. Step 3: Cross multiply
   16,820.75x = 23,211.52 × 10,102.38
4. Step 4: Simplify right side
   16,820.75x = 234,491,570.16
5. Step 5: Solve for x
   x = 234,491,570.16/16,820.75
6. Step 6: Final answer
   x = 13,940.62