Finding the Fourth Proportional to 5,168.82, 7,120.30 and 3,748.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168.82 : 7,120.30 = 3,748.32 : x
2. Step 2: Convert to fraction form
   5,168.82/7,120.30 = 3,748.32/x
3. Step 3: Cross multiply
   5,168.82x = 7,120.30 × 3,748.32
4. Step 4: Simplify right side
   5,168.82x = 26,689,162.90
5. Step 5: Solve for x
   x = 26,689,162.90/5,168.82
6. Step 6: Final answer
   x = 5,163.49