Finding the Fourth Proportional to 2,902.73, 4,356.57 and 1,260.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,902.73 : 4,356.57 = 1,260.59 : x
2. Step 2: Convert to fraction form
   2,902.73/4,356.57 = 1,260.59/x
3. Step 3: Cross multiply
   2,902.73x = 4,356.57 × 1,260.59
4. Step 4: Simplify right side
   2,902.73x = 5,491,848.58
5. Step 5: Solve for x
   x = 5,491,848.58/2,902.73
6. Step 6: Final answer
   x = 1,891.96