Finding the Fourth Proportional to 2,084.72, 2,876.70 and 1,200.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.72 : 2,876.70 = 1,200.35 : x
2. Step 2: Convert to fraction form
   2,084.72/2,876.70 = 1,200.35/x
3. Step 3: Cross multiply
   2,084.72x = 2,876.70 × 1,200.35
4. Step 4: Simplify right side
   2,084.72x = 3,453,046.85
5. Step 5: Solve for x
   x = 3,453,046.85/2,084.72
6. Step 6: Final answer
   x = 1,656.36