Finding the Fourth Proportional to 2,051.78, 2,824.31 and 1,789.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.78 : 2,824.31 = 1,789.34 : x
2. Step 2: Convert to fraction form
   2,051.78/2,824.31 = 1,789.34/x
3. Step 3: Cross multiply
   2,051.78x = 2,824.31 × 1,789.34
4. Step 4: Simplify right side
   2,051.78x = 5,053,627.79
5. Step 5: Solve for x
   x = 5,053,627.79/2,051.78
6. Step 6: Final answer
   x = 2,463.05