Finding the Fourth Proportional to 2,486.41, 3,429.24 and 2,187.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486.41 : 3,429.24 = 2,187.02 : x
2. Step 2: Convert to fraction form
   2,486.41/3,429.24 = 2,187.02/x
3. Step 3: Cross multiply
   2,486.41x = 3,429.24 × 2,187.02
4. Step 4: Simplify right side
   2,486.41x = 7,499,816.46
5. Step 5: Solve for x
   x = 7,499,816.46/2,486.41
6. Step 6: Final answer
   x = 3,016.32