Finding the Fourth Proportional to 3,739.31, 5,609.00 and 1,785.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,739.31 : 5,609.00 = 1,785.59 : x
2. Step 2: Convert to fraction form
   3,739.31/5,609.00 = 1,785.59/x
3. Step 3: Cross multiply
   3,739.31x = 5,609.00 × 1,785.59
4. Step 4: Simplify right side
   3,739.31x = 10,015,393.27
5. Step 5: Solve for x
   x = 10,015,393.27/3,739.31
6. Step 6: Final answer
   x = 2,678.40