Finding the Fourth Proportional to 8,349.30, 12,523.05 and 3,419.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,349.30 : 12,523.05 = 3,419.46 : x
2. Step 2: Convert to fraction form
   8,349.30/12,523.05 = 3,419.46/x
3. Step 3: Cross multiply
   8,349.30x = 12,523.05 × 3,419.46
4. Step 4: Simplify right side
   8,349.30x = 42,822,068.55
5. Step 5: Solve for x
   x = 42,822,068.55/8,349.30
6. Step 6: Final answer
   x = 5,128.82