Finding the Fourth Proportional to 2,354.16, 3,252.96 and 1,689.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.16 : 3,252.96 = 1,689.86 : x
2. Step 2: Convert to fraction form
   2,354.16/3,252.96 = 1,689.86/x
3. Step 3: Cross multiply
   2,354.16x = 3,252.96 × 1,689.86
4. Step 4: Simplify right side
   2,354.16x = 5,497,030.72
5. Step 5: Solve for x
   x = 5,497,030.72/2,354.16
6. Step 6: Final answer
   x = 2,335.03