Finding the Fourth Proportional to 3,518.72, 4,848.72 and 3,505.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,518.72 : 4,848.72 = 3,505.04 : x
2. Step 2: Convert to fraction form
   3,518.72/4,848.72 = 3,505.04/x
3. Step 3: Cross multiply
   3,518.72x = 4,848.72 × 3,505.04
4. Step 4: Simplify right side
   3,518.72x = 16,994,957.55
5. Step 5: Solve for x
   x = 16,994,957.55/3,518.72
6. Step 6: Final answer
   x = 4,829.87