Finding the Fourth Proportional to 3,128.16, 4,316.82 and 1,711.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128.16 : 4,316.82 = 1,711.83 : x
2. Step 2: Convert to fraction form
   3,128.16/4,316.82 = 1,711.83/x
3. Step 3: Cross multiply
   3,128.16x = 4,316.82 × 1,711.83
4. Step 4: Simplify right side
   3,128.16x = 7,389,680.12
5. Step 5: Solve for x
   x = 7,389,680.12/3,128.16
6. Step 6: Final answer
   x = 2,362.31