Finding the Fourth Proportional to 2,084.18, 2,872.86 and 1,641.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.18 : 2,872.86 = 1,641.38 : x
2. Step 2: Convert to fraction form
   2,084.18/2,872.86 = 1,641.38/x
3. Step 3: Cross multiply
   2,084.18x = 2,872.86 × 1,641.38
4. Step 4: Simplify right side
   2,084.18x = 4,715,454.95
5. Step 5: Solve for x
   x = 4,715,454.95/2,084.18
6. Step 6: Final answer
   x = 2,262.50