Finding the Fourth Proportional to 5,920.72, 8,168.03 and 3,402.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,920.72 : 8,168.03 = 3,402.25 : x
2. Step 2: Convert to fraction form
   5,920.72/8,168.03 = 3,402.25/x
3. Step 3: Cross multiply
   5,920.72x = 8,168.03 × 3,402.25
4. Step 4: Simplify right side
   5,920.72x = 27,789,680.07
5. Step 5: Solve for x
   x = 27,789,680.07/5,920.72
6. Step 6: Final answer
   x = 4,693.63