Finding the Fourth Proportional to 2,523.42, 3,784.83 and 879.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.42 : 3,784.83 = 879.83 : x
2. Step 2: Convert to fraction form
   2,523.42/3,784.83 = 879.83/x
3. Step 3: Cross multiply
   2,523.42x = 3,784.83 × 879.83
4. Step 4: Simplify right side
   2,523.42x = 3,330,006.98
5. Step 5: Solve for x
   x = 3,330,006.98/2,523.42
6. Step 6: Final answer
   x = 1,319.64