Finding the Fourth Proportional to 17,289.82, 23,856.15 and 10,212.58

Step by Step Solution

1. Step 1: Write the proportion equation
   17,289.82 : 23,856.15 = 10,212.58 : x
2. Step 2: Convert to fraction form
   17,289.82/23,856.15 = 10,212.58/x
3. Step 3: Cross multiply
   17,289.82x = 23,856.15 × 10,212.58
4. Step 4: Simplify right side
   17,289.82x = 243,632,840.37
5. Step 5: Solve for x
   x = 243,632,840.37/17,289.82
6. Step 6: Final answer
   x = 14,091.11