Finding the Fourth Proportional to 4,819.34, 6,642.73 and 3,225.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,819.34 : 6,642.73 = 3,225.42 : x
2. Step 2: Convert to fraction form
   4,819.34/6,642.73 = 3,225.42/x
3. Step 3: Cross multiply
   4,819.34x = 6,642.73 × 3,225.42
4. Step 4: Simplify right side
   4,819.34x = 21,425,594.20
5. Step 5: Solve for x
   x = 21,425,594.20/4,819.34
6. Step 6: Final answer
   x = 4,445.75