Finding the Fourth Proportional to 3,443.18, 5,166.83 and 3,164.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.18 : 5,166.83 = 3,164.34 : x
2. Step 2: Convert to fraction form
   3,443.18/5,166.83 = 3,164.34/x
3. Step 3: Cross multiply
   3,443.18x = 5,166.83 × 3,164.34
4. Step 4: Simplify right side
   3,443.18x = 16,349,606.84
5. Step 5: Solve for x
   x = 16,349,606.84/3,443.18
6. Step 6: Final answer
   x = 4,748.40