Finding the Fourth Proportional to 2,491.56, 3,736.72 and 760.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,491.56 : 3,736.72 = 760.16 : x
2. Step 2: Convert to fraction form
   2,491.56/3,736.72 = 760.16/x
3. Step 3: Cross multiply
   2,491.56x = 3,736.72 × 760.16
4. Step 4: Simplify right side
   2,491.56x = 2,840,505.08
5. Step 5: Solve for x
   x = 2,840,505.08/2,491.56
6. Step 6: Final answer
   x = 1,140.05