Finding the Fourth Proportional to 2,700.36, 4,047.71 and 1,238.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.36 : 4,047.71 = 1,238.31 : x
2. Step 2: Convert to fraction form
   2,700.36/4,047.71 = 1,238.31/x
3. Step 3: Cross multiply
   2,700.36x = 4,047.71 × 1,238.31
4. Step 4: Simplify right side
   2,700.36x = 5,012,313.58
5. Step 5: Solve for x
   x = 5,012,313.58/2,700.36
6. Step 6: Final answer
   x = 1,856.16