Finding the Fourth Proportional to 2,578.30, 3,866.84 and 1,482.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.30 : 3,866.84 = 1,482.10 : x
2. Step 2: Convert to fraction form
   2,578.30/3,866.84 = 1,482.10/x
3. Step 3: Cross multiply
   2,578.30x = 3,866.84 × 1,482.10
4. Step 4: Simplify right side
   2,578.30x = 5,731,043.56
5. Step 5: Solve for x
   x = 5,731,043.56/2,578.30
6. Step 6: Final answer
   x = 2,222.80