Finding the Fourth Proportional to 4,123.83, 5,691.62 and 3,127.43

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123.83 : 5,691.62 = 3,127.43 : x
2. Step 2: Convert to fraction form
   4,123.83/5,691.62 = 3,127.43/x
3. Step 3: Cross multiply
   4,123.83x = 5,691.62 × 3,127.43
4. Step 4: Simplify right side
   4,123.83x = 17,800,099.04
5. Step 5: Solve for x
   x = 17,800,099.04/4,123.83
6. Step 6: Final answer
   x = 4,316.40