Finding the Fourth Proportional to 2,483.98, 3,724.34 and 1,388.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.98 : 3,724.34 = 1,388.46 : x
2. Step 2: Convert to fraction form
   2,483.98/3,724.34 = 1,388.46/x
3. Step 3: Cross multiply
   2,483.98x = 3,724.34 × 1,388.46
4. Step 4: Simplify right side
   2,483.98x = 5,171,097.12
5. Step 5: Solve for x
   x = 5,171,097.12/2,483.98
6. Step 6: Final answer
   x = 2,081.78