Finding the Fourth Proportional to 2,084.76, 2,876.76 and 1,200.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.76 : 2,876.76 = 1,200.60 : x
2. Step 2: Convert to fraction form
   2,084.76/2,876.76 = 1,200.60/x
3. Step 3: Cross multiply
   2,084.76x = 2,876.76 × 1,200.60
4. Step 4: Simplify right side
   2,084.76x = 3,453,838.06
5. Step 5: Solve for x
   x = 3,453,838.06/2,084.76
6. Step 6: Final answer
   x = 1,656.71