Finding the Fourth Proportional to 3,890.56, 5,833.92 and 1,698.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,890.56 : 5,833.92 = 1,698.34 : x
2. Step 2: Convert to fraction form
   3,890.56/5,833.92 = 1,698.34/x
3. Step 3: Cross multiply
   3,890.56x = 5,833.92 × 1,698.34
4. Step 4: Simplify right side
   3,890.56x = 9,907,979.69
5. Step 5: Solve for x
   x = 9,907,979.69/3,890.56
6. Step 6: Final answer
   x = 2,546.67