Finding the Fourth Proportional to 2,308.86, 3,185.10 and 1,521.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.86 : 3,185.10 = 1,521.54 : x
2. Step 2: Convert to fraction form
   2,308.86/3,185.10 = 1,521.54/x
3. Step 3: Cross multiply
   2,308.86x = 3,185.10 × 1,521.54
4. Step 4: Simplify right side
   2,308.86x = 4,846,257.05
5. Step 5: Solve for x
   x = 4,846,257.05/2,308.86
6. Step 6: Final answer
   x = 2,098.98