Finding the Fourth Proportional to 2,487.20, 3,730.89 and 755.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.20 : 3,730.89 = 755.82 : x
2. Step 2: Convert to fraction form
   2,487.20/3,730.89 = 755.82/x
3. Step 3: Cross multiply
   2,487.20x = 3,730.89 × 755.82
4. Step 4: Simplify right side
   2,487.20x = 2,819,881.28
5. Step 5: Solve for x
   x = 2,819,881.28/2,487.20
6. Step 6: Final answer
   x = 1,133.76