Finding the Fourth Proportional to 2,084.69, 2,877.49 and 1,201.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.69 : 2,877.49 = 1,201.12 : x
2. Step 2: Convert to fraction form
   2,084.69/2,877.49 = 1,201.12/x
3. Step 3: Cross multiply
   2,084.69x = 2,877.49 × 1,201.12
4. Step 4: Simplify right side
   2,084.69x = 3,456,205.10
5. Step 5: Solve for x
   x = 3,456,205.10/2,084.69
6. Step 6: Final answer
   x = 1,657.90