Finding the Fourth Proportional to 1,859.42, 2,789.78 and 1,342.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859.42 : 2,789.78 = 1,342.71 : x
2. Step 2: Convert to fraction form
   1,859.42/2,789.78 = 1,342.71/x
3. Step 3: Cross multiply
   1,859.42x = 2,789.78 × 1,342.71
4. Step 4: Simplify right side
   1,859.42x = 3,745,858.79
5. Step 5: Solve for x
   x = 3,745,858.79/1,859.42
6. Step 6: Final answer
   x = 2,014.53