Finding the Fourth Proportional to 1,641.82, 2,462.72 and 546.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641.82 : 2,462.72 = 546.27 : x
2. Step 2: Convert to fraction form
   1,641.82/2,462.72 = 546.27/x
3. Step 3: Cross multiply
   1,641.82x = 2,462.72 × 546.27
4. Step 4: Simplify right side
   1,641.82x = 1,345,310.05
5. Step 5: Solve for x
   x = 1,345,310.05/1,641.82
6. Step 6: Final answer
   x = 819.40