Finding the Fourth Proportional to 11,295.63, 16,921.56 and 5,456.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,295.63 : 16,921.56 = 5,456.34 : x
2. Step 2: Convert to fraction form
   11,295.63/16,921.56 = 5,456.34/x
3. Step 3: Cross multiply
   11,295.63x = 16,921.56 × 5,456.34
4. Step 4: Simplify right side
   11,295.63x = 92,329,784.69
5. Step 5: Solve for x
   x = 92,329,784.69/11,295.63
6. Step 6: Final answer
   x = 8,173.94