Finding the Fourth Proportional to 2,415.54, 3,624.03 and 1,388.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.54 : 3,624.03 = 1,388.82 : x
2. Step 2: Convert to fraction form
   2,415.54/3,624.03 = 1,388.82/x
3. Step 3: Cross multiply
   2,415.54x = 3,624.03 × 1,388.82
4. Step 4: Simplify right side
   2,415.54x = 5,033,100.28
5. Step 5: Solve for x
   x = 5,033,100.28/2,415.54
6. Step 6: Final answer
   x = 2,083.64