Finding the Fourth Proportional to 2,707.83, 4,061.13 and 1,245.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,707.83 : 4,061.13 = 1,245.57 : x
2. Step 2: Convert to fraction form
   2,707.83/4,061.13 = 1,245.57/x
3. Step 3: Cross multiply
   2,707.83x = 4,061.13 × 1,245.57
4. Step 4: Simplify right side
   2,707.83x = 5,058,421.69
5. Step 5: Solve for x
   x = 5,058,421.69/2,707.83
6. Step 6: Final answer
   x = 1,868.07