Finding the Fourth Proportional to 2,373.33, 3,559.59 and 813.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.33 : 3,559.59 = 813.27 : x
2. Step 2: Convert to fraction form
   2,373.33/3,559.59 = 813.27/x
3. Step 3: Cross multiply
   2,373.33x = 3,559.59 × 813.27
4. Step 4: Simplify right side
   2,373.33x = 2,894,907.76
5. Step 5: Solve for x
   x = 2,894,907.76/2,373.33
6. Step 6: Final answer
   x = 1,219.77