Finding the Fourth Proportional to 2,848.91, 4,272.32 and 1,205.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848.91 : 4,272.32 = 1,205.58 : x
2. Step 2: Convert to fraction form
   2,848.91/4,272.32 = 1,205.58/x
3. Step 3: Cross multiply
   2,848.91x = 4,272.32 × 1,205.58
4. Step 4: Simplify right side
   2,848.91x = 5,150,617.52
5. Step 5: Solve for x
   x = 5,150,617.52/2,848.91
6. Step 6: Final answer
   x = 1,807.93