Finding the Fourth Proportional to 1,559.82, 2,340.30 and 693.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.82 : 2,340.30 = 693.50 : x
2. Step 2: Convert to fraction form
   1,559.82/2,340.30 = 693.50/x
3. Step 3: Cross multiply
   1,559.82x = 2,340.30 × 693.50
4. Step 4: Simplify right side
   1,559.82x = 1,622,998.05
5. Step 5: Solve for x
   x = 1,622,998.05/1,559.82
6. Step 6: Final answer
   x = 1,040.50