Finding the Fourth Proportional to 2,280.72, 3,147.99 and 1,486.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.72 : 3,147.99 = 1,486.23 : x
2. Step 2: Convert to fraction form
   2,280.72/3,147.99 = 1,486.23/x
3. Step 3: Cross multiply
   2,280.72x = 3,147.99 × 1,486.23
4. Step 4: Simplify right side
   2,280.72x = 4,678,637.18
5. Step 5: Solve for x
   x = 4,678,637.18/2,280.72
6. Step 6: Final answer
   x = 2,051.39