Finding the Fourth Proportional to 5,945.82, 8,921.43 and 3,173.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,945.82 : 8,921.43 = 3,173.16 : x
2. Step 2: Convert to fraction form
   5,945.82/8,921.43 = 3,173.16/x
3. Step 3: Cross multiply
   5,945.82x = 8,921.43 × 3,173.16
4. Step 4: Simplify right side
   5,945.82x = 28,309,124.82
5. Step 5: Solve for x
   x = 28,309,124.82/5,945.82
6. Step 6: Final answer
   x = 4,761.18