Finding the Fourth Proportional to 6,473.72, 8,930.63 and 3,819.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,473.72 : 8,930.63 = 3,819.34 : x
2. Step 2: Convert to fraction form
   6,473.72/8,930.63 = 3,819.34/x
3. Step 3: Cross multiply
   6,473.72x = 8,930.63 × 3,819.34
4. Step 4: Simplify right side
   6,473.72x = 34,109,112.38
5. Step 5: Solve for x
   x = 34,109,112.38/6,473.72
6. Step 6: Final answer
   x = 5,268.86