Finding the Fourth Proportional to 10,242.89, 14,119.83 and 8,351.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,242.89 : 14,119.83 = 8,351.57 : x
2. Step 2: Convert to fraction form
   10,242.89/14,119.83 = 8,351.57/x
3. Step 3: Cross multiply
   10,242.89x = 14,119.83 × 8,351.57
4. Step 4: Simplify right side
   10,242.89x = 117,922,748.63
5. Step 5: Solve for x
   x = 117,922,748.63/10,242.89
6. Step 6: Final answer
   x = 11,512.64