Finding the Fourth Proportional to 2,518.82, 3,772.02 and 1,284.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.82 : 3,772.02 = 1,284.47 : x
2. Step 2: Convert to fraction form
   2,518.82/3,772.02 = 1,284.47/x
3. Step 3: Cross multiply
   2,518.82x = 3,772.02 × 1,284.47
4. Step 4: Simplify right side
   2,518.82x = 4,845,046.53
5. Step 5: Solve for x
   x = 4,845,046.53/2,518.82
6. Step 6: Final answer
   x = 1,923.54