Finding the Fourth Proportional to 7,072.72, 9,760.32 and 3,842.51

Step by Step Solution

1. Step 1: Write the proportion equation
   7,072.72 : 9,760.32 = 3,842.51 : x
2. Step 2: Convert to fraction form
   7,072.72/9,760.32 = 3,842.51/x
3. Step 3: Cross multiply
   7,072.72x = 9,760.32 × 3,842.51
4. Step 4: Simplify right side
   7,072.72x = 37,504,137.19
5. Step 5: Solve for x
   x = 37,504,137.19/7,072.72
6. Step 6: Final answer
   x = 5,302.65