Finding the Fourth Proportional to 11,586.42, 17,379.50 and 2,821.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,586.42 : 17,379.50 = 2,821.34 : x
2. Step 2: Convert to fraction form
   11,586.42/17,379.50 = 2,821.34/x
3. Step 3: Cross multiply
   11,586.42x = 17,379.50 × 2,821.34
4. Step 4: Simplify right side
   11,586.42x = 49,033,507.87
5. Step 5: Solve for x
   x = 49,033,507.87/11,586.42
6. Step 6: Final answer
   x = 4,231.98