Finding the Fourth Proportional to 8,185.74, 12,279.03 and 2,343.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,185.74 : 12,279.03 = 2,343.21 : x
2. Step 2: Convert to fraction form
   8,185.74/12,279.03 = 2,343.21/x
3. Step 3: Cross multiply
   8,185.74x = 12,279.03 × 2,343.21
4. Step 4: Simplify right side
   8,185.74x = 28,772,345.89
5. Step 5: Solve for x
   x = 28,772,345.89/8,185.74
6. Step 6: Final answer
   x = 3,514.94