Finding the Fourth Proportional to 2,491.92, 3,736.56 and 760.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,491.92 : 3,736.56 = 760.08 : x
2. Step 2: Convert to fraction form
   2,491.92/3,736.56 = 760.08/x
3. Step 3: Cross multiply
   2,491.92x = 3,736.56 × 760.08
4. Step 4: Simplify right side
   2,491.92x = 2,840,084.52
5. Step 5: Solve for x
   x = 2,840,084.52/2,491.92
6. Step 6: Final answer
   x = 1,139.72