Finding the Fourth Proportional to 2,707.14, 4,061.78 and 1,147.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,707.14 : 4,061.78 = 1,147.48 : x
2. Step 2: Convert to fraction form
   2,707.14/4,061.78 = 1,147.48/x
3. Step 3: Cross multiply
   2,707.14x = 4,061.78 × 1,147.48
4. Step 4: Simplify right side
   2,707.14x = 4,660,811.31
5. Step 5: Solve for x
   x = 4,660,811.31/2,707.14
6. Step 6: Final answer
   x = 1,721.67