Finding the Fourth Proportional to 11,643.08, 17,464.59 and 3,851.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,643.08 : 17,464.59 = 3,851.89 : x
2. Step 2: Convert to fraction form
   11,643.08/17,464.59 = 3,851.89/x
3. Step 3: Cross multiply
   11,643.08x = 17,464.59 × 3,851.89
4. Step 4: Simplify right side
   11,643.08x = 67,271,635.91
5. Step 5: Solve for x
   x = 67,271,635.91/11,643.08
6. Step 6: Final answer
   x = 5,777.82