Finding the Fourth Proportional to 2,727.50, 4,085.82 and 1,264.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,727.50 : 4,085.82 = 1,264.64 : x
2. Step 2: Convert to fraction form
   2,727.50/4,085.82 = 1,264.64/x
3. Step 3: Cross multiply
   2,727.50x = 4,085.82 × 1,264.64
4. Step 4: Simplify right side
   2,727.50x = 5,167,091.40
5. Step 5: Solve for x
   x = 5,167,091.40/2,727.50
6. Step 6: Final answer
   x = 1,894.44