Finding the Fourth Proportional to 5,406.37, 7,460.84 and 3,168.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,406.37 : 7,460.84 = 3,168.31 : x
2. Step 2: Convert to fraction form
   5,406.37/7,460.84 = 3,168.31/x
3. Step 3: Cross multiply
   5,406.37x = 7,460.84 × 3,168.31
4. Step 4: Simplify right side
   5,406.37x = 23,638,253.98
5. Step 5: Solve for x
   x = 23,638,253.98/5,406.37
6. Step 6: Final answer
   x = 4,372.30