Finding the Fourth Proportional to 3,031.89, 4,182.96 and 1,705.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,031.89 : 4,182.96 = 1,705.30 : x
2. Step 2: Convert to fraction form
   3,031.89/4,182.96 = 1,705.30/x
3. Step 3: Cross multiply
   3,031.89x = 4,182.96 × 1,705.30
4. Step 4: Simplify right side
   3,031.89x = 7,133,201.69
5. Step 5: Solve for x
   x = 7,133,201.69/3,031.89
6. Step 6: Final answer
   x = 2,352.72