Finding the Fourth Proportional to 2,370.56, 3,555.12 and 727.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,370.56 : 3,555.12 = 727.34 : x
2. Step 2: Convert to fraction form
   2,370.56/3,555.12 = 727.34/x
3. Step 3: Cross multiply
   2,370.56x = 3,555.12 × 727.34
4. Step 4: Simplify right side
   2,370.56x = 2,585,780.98
5. Step 5: Solve for x
   x = 2,585,780.98/2,370.56
6. Step 6: Final answer
   x = 1,090.79