Finding the Fourth Proportional to 2,427.27, 3,641.99 and 1,272.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,427.27 : 3,641.99 = 1,272.75 : x
2. Step 2: Convert to fraction form
   2,427.27/3,641.99 = 1,272.75/x
3. Step 3: Cross multiply
   2,427.27x = 3,641.99 × 1,272.75
4. Step 4: Simplify right side
   2,427.27x = 4,635,336.41
5. Step 5: Solve for x
   x = 4,635,336.41/2,427.27
6. Step 6: Final answer
   x = 1,909.69