Finding the Fourth Proportional to 2,345.82, 3,235.86 and 1,785.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.82 : 3,235.86 = 1,785.30 : x
2. Step 2: Convert to fraction form
   2,345.82/3,235.86 = 1,785.30/x
3. Step 3: Cross multiply
   2,345.82x = 3,235.86 × 1,785.30
4. Step 4: Simplify right side
   2,345.82x = 5,776,980.86
5. Step 5: Solve for x
   x = 5,776,980.86/2,345.82
6. Step 6: Final answer
   x = 2,462.67