Finding the Fourth Proportional to 4,714.67, 7,073.52 and 1,428.09

Step by Step Solution

1. Step 1: Write the proportion equation
   4,714.67 : 7,073.52 = 1,428.09 : x
2. Step 2: Convert to fraction form
   4,714.67/7,073.52 = 1,428.09/x
3. Step 3: Cross multiply
   4,714.67x = 7,073.52 × 1,428.09
4. Step 4: Simplify right side
   4,714.67x = 10,101,616.04
5. Step 5: Solve for x
   x = 10,101,616.04/4,714.67
6. Step 6: Final answer
   x = 2,142.59