Finding the Fourth Proportional to 5,401.64, 7,454.75 and 3,164.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.64 : 7,454.75 = 3,164.28 : x
2. Step 2: Convert to fraction form
   5,401.64/7,454.75 = 3,164.28/x
3. Step 3: Cross multiply
   5,401.64x = 7,454.75 × 3,164.28
4. Step 4: Simplify right side
   5,401.64x = 23,588,900.51
5. Step 5: Solve for x
   x = 23,588,900.51/5,401.64
6. Step 6: Final answer
   x = 4,366.99