Finding the Fourth Proportional to 1,859.56, 2,784.17 and 1,340.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859.56 : 2,784.17 = 1,340.60 : x
2. Step 2: Convert to fraction form
   1,859.56/2,784.17 = 1,340.60/x
3. Step 3: Cross multiply
   1,859.56x = 2,784.17 × 1,340.60
4. Step 4: Simplify right side
   1,859.56x = 3,732,463.39
5. Step 5: Solve for x
   x = 3,732,463.39/1,859.56
6. Step 6: Final answer
   x = 2,007.18