Finding the Fourth Proportional to 2,084.67, 2,876.90 and 1,200.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.67 : 2,876.90 = 1,200.74 : x
2. Step 2: Convert to fraction form
   2,084.67/2,876.90 = 1,200.74/x
3. Step 3: Cross multiply
   2,084.67x = 2,876.90 × 1,200.74
4. Step 4: Simplify right side
   2,084.67x = 3,454,388.52
5. Step 5: Solve for x
   x = 3,454,388.52/2,084.67
6. Step 6: Final answer
   x = 1,657.04