Finding the Fourth Proportional to 11,643.69, 17,467.28 and 5,404.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,643.69 : 17,467.28 = 5,404.34 : x
2. Step 2: Convert to fraction form
   11,643.69/17,467.28 = 5,404.34/x
3. Step 3: Cross multiply
   11,643.69x = 17,467.28 × 5,404.34
4. Step 4: Simplify right side
   11,643.69x = 94,399,156.91
5. Step 5: Solve for x
   x = 94,399,156.91/11,643.69
6. Step 6: Final answer
   x = 8,107.32