Finding the Fourth Proportional to 2,180.79, 3,010.73 and 1,436.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.79 : 3,010.73 = 1,436.00 : x
2. Step 2: Convert to fraction form
   2,180.79/3,010.73 = 1,436.00/x
3. Step 3: Cross multiply
   2,180.79x = 3,010.73 × 1,436.00
4. Step 4: Simplify right side
   2,180.79x = 4,323,386.05
5. Step 5: Solve for x
   x = 4,323,386.05/2,180.79
6. Step 6: Final answer
   x = 1,982.49