Finding the Fourth Proportional to 10,951.63, 16,399.77 and 7,242.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,951.63 : 16,399.77 = 7,242.62 : x
2. Step 2: Convert to fraction form
   10,951.63/16,399.77 = 7,242.62/x
3. Step 3: Cross multiply
   10,951.63x = 16,399.77 × 7,242.62
4. Step 4: Simplify right side
   10,951.63x = 118,777,193.04
5. Step 5: Solve for x
   x = 118,777,193.04/10,951.63
6. Step 6: Final answer
   x = 10,845.62