Finding the Fourth Proportional to 2,579.68, 3,875.46 and 1,486.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.68 : 3,875.46 = 1,486.72 : x
2. Step 2: Convert to fraction form
   2,579.68/3,875.46 = 1,486.72/x
3. Step 3: Cross multiply
   2,579.68x = 3,875.46 × 1,486.72
4. Step 4: Simplify right side
   2,579.68x = 5,761,723.89
5. Step 5: Solve for x
   x = 5,761,723.89/2,579.68
6. Step 6: Final answer
   x = 2,233.50