Finding the Fourth Proportional to 2,848.32, 4,272.84 and 1,386.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848.32 : 4,272.84 = 1,386.24 : x
2. Step 2: Convert to fraction form
   2,848.32/4,272.84 = 1,386.24/x
3. Step 3: Cross multiply
   2,848.32x = 4,272.84 × 1,386.24
4. Step 4: Simplify right side
   2,848.32x = 5,923,181.72
5. Step 5: Solve for x
   x = 5,923,181.72/2,848.32
6. Step 6: Final answer
   x = 2,079.54