Finding the Fourth Proportional to 2,848.73, 4,275.83 and 1,388.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848.73 : 4,275.83 = 1,388.91 : x
2. Step 2: Convert to fraction form
   2,848.73/4,275.83 = 1,388.91/x
3. Step 3: Cross multiply
   2,848.73x = 4,275.83 × 1,388.91
4. Step 4: Simplify right side
   2,848.73x = 5,938,735.83
5. Step 5: Solve for x
   x = 5,938,735.83/2,848.73
6. Step 6: Final answer
   x = 2,084.70