Finding the Fourth Proportional to 5,402.72, 8,095.98 and 4,168.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,402.72 : 8,095.98 = 4,168.28 : x
2. Step 2: Convert to fraction form
   5,402.72/8,095.98 = 4,168.28/x
3. Step 3: Cross multiply
   5,402.72x = 8,095.98 × 4,168.28
4. Step 4: Simplify right side
   5,402.72x = 33,746,311.51
5. Step 5: Solve for x
   x = 33,746,311.51/5,402.72
6. Step 6: Final answer
   x = 6,246.17