Finding the Fourth Proportional to 8,185.55, 12,279.33 and 2,342.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,185.55 : 12,279.33 = 2,342.21 : x
2. Step 2: Convert to fraction form
   8,185.55/12,279.33 = 2,342.21/x
3. Step 3: Cross multiply
   8,185.55x = 12,279.33 × 2,342.21
4. Step 4: Simplify right side
   8,185.55x = 28,760,708.12
5. Step 5: Solve for x
   x = 28,760,708.12/8,185.55
6. Step 6: Final answer
   x = 3,513.60