Finding the Fourth Proportional to 5,395.74, 7,446.69 and 3,158.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,395.74 : 7,446.69 = 3,158.34 : x
2. Step 2: Convert to fraction form
   5,395.74/7,446.69 = 3,158.34/x
3. Step 3: Cross multiply
   5,395.74x = 7,446.69 × 3,158.34
4. Step 4: Simplify right side
   5,395.74x = 23,519,178.89
5. Step 5: Solve for x
   x = 23,519,178.89/5,395.74
6. Step 6: Final answer
   x = 4,358.84