Finding the Fourth Proportional to 7,962.89, 10,985.50 and 4,819.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,962.89 : 10,985.50 = 4,819.55 : x
2. Step 2: Convert to fraction form
   7,962.89/10,985.50 = 4,819.55/x
3. Step 3: Cross multiply
   7,962.89x = 10,985.50 × 4,819.55
4. Step 4: Simplify right side
   7,962.89x = 52,945,166.53
5. Step 5: Solve for x
   x = 52,945,166.53/7,962.89
6. Step 6: Final answer
   x = 6,648.99