Finding the Fourth Proportional to 5,108.34, 7,662.33 and 1,645.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,108.34 : 7,662.33 = 1,645.50 : x
2. Step 2: Convert to fraction form
   5,108.34/7,662.33 = 1,645.50/x
3. Step 3: Cross multiply
   5,108.34x = 7,662.33 × 1,645.50
4. Step 4: Simplify right side
   5,108.34x = 12,608,364.02
5. Step 5: Solve for x
   x = 12,608,364.02/5,108.34
6. Step 6: Final answer
   x = 2,468.19