Finding the Fourth Proportional to 4,818.61, 6,647.81 and 3,025.32

Step by Step Solution

1. Step 1: Write the proportion equation
   4,818.61 : 6,647.81 = 3,025.32 : x
2. Step 2: Convert to fraction form
   4,818.61/6,647.81 = 3,025.32/x
3. Step 3: Cross multiply
   4,818.61x = 6,647.81 × 3,025.32
4. Step 4: Simplify right side
   4,818.61x = 20,111,752.55
5. Step 5: Solve for x
   x = 20,111,752.55/4,818.61
6. Step 6: Final answer
   x = 4,173.77