Finding the Fourth Proportional to 8,343.34, 12,519.61 and 3,416.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,343.34 : 12,519.61 = 3,416.43 : x
2. Step 2: Convert to fraction form
   8,343.34/12,519.61 = 3,416.43/x
3. Step 3: Cross multiply
   8,343.34x = 12,519.61 × 3,416.43
4. Step 4: Simplify right side
   8,343.34x = 42,772,358.39
5. Step 5: Solve for x
   x = 42,772,358.39/8,343.34
6. Step 6: Final answer
   x = 5,126.53