Finding the Fourth Proportional to 5,123.67, 7,073.68 and 4,828.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123.67 : 7,073.68 = 4,828.43 : x
2. Step 2: Convert to fraction form
   5,123.67/7,073.68 = 4,828.43/x
3. Step 3: Cross multiply
   5,123.67x = 7,073.68 × 4,828.43
4. Step 4: Simplify right side
   5,123.67x = 34,154,768.72
5. Step 5: Solve for x
   x = 34,154,768.72/5,123.67
6. Step 6: Final answer
   x = 6,666.08