Finding the Fourth Proportional to 2,300.58, 3,448.71 and 1,272.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.58 : 3,448.71 = 1,272.42 : x
2. Step 2: Convert to fraction form
   2,300.58/3,448.71 = 1,272.42/x
3. Step 3: Cross multiply
   2,300.58x = 3,448.71 × 1,272.42
4. Step 4: Simplify right side
   2,300.58x = 4,388,207.58
5. Step 5: Solve for x
   x = 4,388,207.58/2,300.58
6. Step 6: Final answer
   x = 1,907.44