Finding the Fourth Proportional to 2,031.72, 3,032.87 and 1,785.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.72 : 3,032.87 = 1,785.68 : x
2. Step 2: Convert to fraction form
   2,031.72/3,032.87 = 1,785.68/x
3. Step 3: Cross multiply
   2,031.72x = 3,032.87 × 1,785.68
4. Step 4: Simplify right side
   2,031.72x = 5,415,735.30
5. Step 5: Solve for x
   x = 5,415,735.30/2,031.72
6. Step 6: Final answer
   x = 2,665.59