Finding the Fourth Proportional to 2,345.51, 3,235.03 and 1,663.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.51 : 3,235.03 = 1,663.85 : x
2. Step 2: Convert to fraction form
   2,345.51/3,235.03 = 1,663.85/x
3. Step 3: Cross multiply
   2,345.51x = 3,235.03 × 1,663.85
4. Step 4: Simplify right side
   2,345.51x = 5,382,608.59
5. Step 5: Solve for x
   x = 5,382,608.59/2,345.51
6. Step 6: Final answer
   x = 2,294.85