Finding the Fourth Proportional to 6,180.30, 8,529.41 and 3,528.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,180.30 : 8,529.41 = 3,528.10 : x
2. Step 2: Convert to fraction form
   6,180.30/8,529.41 = 3,528.10/x
3. Step 3: Cross multiply
   6,180.30x = 8,529.41 × 3,528.10
4. Step 4: Simplify right side
   6,180.30x = 30,092,611.42
5. Step 5: Solve for x
   x = 30,092,611.42/6,180.30
6. Step 6: Final answer
   x = 4,869.12