Finding the Fourth Proportional to 4,714.38, 7,072.71 and 1,427.28

Step by Step Solution

1. Step 1: Write the proportion equation
   4,714.38 : 7,072.71 = 1,427.28 : x
2. Step 2: Convert to fraction form
   4,714.38/7,072.71 = 1,427.28/x
3. Step 3: Cross multiply
   4,714.38x = 7,072.71 × 1,427.28
4. Step 4: Simplify right side
   4,714.38x = 10,094,737.53
5. Step 5: Solve for x
   x = 10,094,737.53/4,714.38
6. Step 6: Final answer
   x = 2,141.27