Finding the Fourth Proportional to 5,123.72, 7,103.32 and 4,943.54

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123.72 : 7,103.32 = 4,943.54 : x
2. Step 2: Convert to fraction form
   5,123.72/7,103.32 = 4,943.54/x
3. Step 3: Cross multiply
   5,123.72x = 7,103.32 × 4,943.54
4. Step 4: Simplify right side
   5,123.72x = 35,115,546.55
5. Step 5: Solve for x
   x = 35,115,546.55/5,123.72
6. Step 6: Final answer
   x = 6,853.53