Finding the Fourth Proportional to 2,707.87, 4,062.23 and 1,147.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,707.87 : 4,062.23 = 1,147.89 : x
2. Step 2: Convert to fraction form
   2,707.87/4,062.23 = 1,147.89/x
3. Step 3: Cross multiply
   2,707.87x = 4,062.23 × 1,147.89
4. Step 4: Simplify right side
   2,707.87x = 4,662,993.19
5. Step 5: Solve for x
   x = 4,662,993.19/2,707.87
6. Step 6: Final answer
   x = 1,722.02