Finding the Fourth Proportional to 11,642.72, 17,464.23 and 3,851.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,642.72 : 17,464.23 = 3,851.54 : x
2. Step 2: Convert to fraction form
   11,642.72/17,464.23 = 3,851.54/x
3. Step 3: Cross multiply
   11,642.72x = 17,464.23 × 3,851.54
4. Step 4: Simplify right side
   11,642.72x = 67,264,093.09
5. Step 5: Solve for x
   x = 67,264,093.09/11,642.72
6. Step 6: Final answer
   x = 5,777.35