Finding the Fourth Proportional to 16,820.03, 23,206.38 and 10,107.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,820.03 : 23,206.38 = 10,107.15 : x
2. Step 2: Convert to fraction form
   16,820.03/23,206.38 = 10,107.15/x
3. Step 3: Cross multiply
   16,820.03x = 23,206.38 × 10,107.15
4. Step 4: Simplify right side
   16,820.03x = 234,550,363.62
5. Step 5: Solve for x
   x = 234,550,363.62/16,820.03
6. Step 6: Final answer
   x = 13,944.71