Finding the Fourth Proportional to 1,559.82, 2,341.54 and 911.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.82 : 2,341.54 = 911.02 : x
2. Step 2: Convert to fraction form
   1,559.82/2,341.54 = 911.02/x
3. Step 3: Cross multiply
   1,559.82x = 2,341.54 × 911.02
4. Step 4: Simplify right side
   1,559.82x = 2,133,189.77
5. Step 5: Solve for x
   x = 2,133,189.77/1,559.82
6. Step 6: Final answer
   x = 1,367.59