Finding the Fourth Proportional to 11,447.10, 17,164.71 and 3,654.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,447.10 : 17,164.71 = 3,654.90 : x
2. Step 2: Convert to fraction form
   11,447.10/17,164.71 = 3,654.90/x
3. Step 3: Cross multiply
   11,447.10x = 17,164.71 × 3,654.90
4. Step 4: Simplify right side
   11,447.10x = 62,735,298.58
5. Step 5: Solve for x
   x = 62,735,298.58/11,447.10
6. Step 6: Final answer
   x = 5,480.45