Finding the Fourth Proportional to 11,054.59, 16,579.72 and 3,261.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,054.59 : 16,579.72 = 3,261.31 : x
2. Step 2: Convert to fraction form
   11,054.59/16,579.72 = 3,261.31/x
3. Step 3: Cross multiply
   11,054.59x = 16,579.72 × 3,261.31
4. Step 4: Simplify right side
   11,054.59x = 54,071,606.63
5. Step 5: Solve for x
   x = 54,071,606.63/11,054.59
6. Step 6: Final answer
   x = 4,891.33