Finding the Fourth Proportional to 2,084.31, 2,876.91 and 1,200.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.31 : 2,876.91 = 1,200.26 : x
2. Step 2: Convert to fraction form
   2,084.31/2,876.91 = 1,200.26/x
3. Step 3: Cross multiply
   2,084.31x = 2,876.91 × 1,200.26
4. Step 4: Simplify right side
   2,084.31x = 3,453,025.61
5. Step 5: Solve for x
   x = 3,453,025.61/2,084.31
6. Step 6: Final answer
   x = 1,656.68