Finding the Fourth Proportional to 1,559.82, 2,341.42 and 1,387.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.82 : 2,341.42 = 1,387.59 : x
2. Step 2: Convert to fraction form
   1,559.82/2,341.42 = 1,387.59/x
3. Step 3: Cross multiply
   1,559.82x = 2,341.42 × 1,387.59
4. Step 4: Simplify right side
   1,559.82x = 3,248,924.04
5. Step 5: Solve for x
   x = 3,248,924.04/1,559.82
6. Step 6: Final answer
   x = 2,082.88