Finding the Fourth Proportional to 2,736.19, 4,104.71 and 1,255.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.19 : 4,104.71 = 1,255.12 : x
2. Step 2: Convert to fraction form
   2,736.19/4,104.71 = 1,255.12/x
3. Step 3: Cross multiply
   2,736.19x = 4,104.71 × 1,255.12
4. Step 4: Simplify right side
   2,736.19x = 5,151,897.34
5. Step 5: Solve for x
   x = 5,151,897.34/2,736.19
6. Step 6: Final answer
   x = 1,882.87