Finding the Fourth Proportional to 11,640.51, 17,464.01 and 3,854.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,640.51 : 17,464.01 = 3,854.79 : x
2. Step 2: Convert to fraction form
   11,640.51/17,464.01 = 3,854.79/x
3. Step 3: Cross multiply
   11,640.51x = 17,464.01 × 3,854.79
4. Step 4: Simplify right side
   11,640.51x = 67,320,071.83
5. Step 5: Solve for x
   x = 67,320,071.83/11,640.51
6. Step 6: Final answer
   x = 5,783.26