Finding the Fourth Proportional to 1,787.34, 2,680.56 and 1,202.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,787.34 : 2,680.56 = 1,202.02 : x
2. Step 2: Convert to fraction form
   1,787.34/2,680.56 = 1,202.02/x
3. Step 3: Cross multiply
   1,787.34x = 2,680.56 × 1,202.02
4. Step 4: Simplify right side
   1,787.34x = 3,222,086.73
5. Step 5: Solve for x
   x = 3,222,086.73/1,787.34
6. Step 6: Final answer
   x = 1,802.73