Finding the Fourth Proportional to 11,451.63, 17,179.89 and 3,553.97

Step by Step Solution

1. Step 1: Write the proportion equation
   11,451.63 : 17,179.89 = 3,553.97 : x
2. Step 2: Convert to fraction form
   11,451.63/17,179.89 = 3,553.97/x
3. Step 3: Cross multiply
   11,451.63x = 17,179.89 × 3,553.97
4. Step 4: Simplify right side
   11,451.63x = 61,056,813.66
5. Step 5: Solve for x
   x = 61,056,813.66/11,451.63
6. Step 6: Final answer
   x = 5,331.71