Finding the Fourth Proportional to 2,481.84, 3,722.59 and 726.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,481.84 : 3,722.59 = 726.78 : x
2. Step 2: Convert to fraction form
   2,481.84/3,722.59 = 726.78/x
3. Step 3: Cross multiply
   2,481.84x = 3,722.59 × 726.78
4. Step 4: Simplify right side
   2,481.84x = 2,705,503.96
5. Step 5: Solve for x
   x = 2,705,503.96/2,481.84
6. Step 6: Final answer
   x = 1,090.12