Finding the Fourth Proportional to 2,180.79, 3,010.41 and 1,551.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.79 : 3,010.41 = 1,551.42 : x
2. Step 2: Convert to fraction form
   2,180.79/3,010.41 = 1,551.42/x
3. Step 3: Cross multiply
   2,180.79x = 3,010.41 × 1,551.42
4. Step 4: Simplify right side
   2,180.79x = 4,670,410.28
5. Step 5: Solve for x
   x = 4,670,410.28/2,180.79
6. Step 6: Final answer
   x = 2,141.61