Finding the Fourth Proportional to 2,341.35, 3,509.32 and 879.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,341.35 : 3,509.32 = 879.57 : x
2. Step 2: Convert to fraction form
   2,341.35/3,509.32 = 879.57/x
3. Step 3: Cross multiply
   2,341.35x = 3,509.32 × 879.57
4. Step 4: Simplify right side
   2,341.35x = 3,086,692.59
5. Step 5: Solve for x
   x = 3,086,692.59/2,341.35
6. Step 6: Final answer
   x = 1,318.34