Finding the Fourth Proportional to 6,181.61, 8,530.61 and 3,528.95

Step by Step Solution

1. Step 1: Write the proportion equation
   6,181.61 : 8,530.61 = 3,528.95 : x
2. Step 2: Convert to fraction form
   6,181.61/8,530.61 = 3,528.95/x
3. Step 3: Cross multiply
   6,181.61x = 8,530.61 × 3,528.95
4. Step 4: Simplify right side
   6,181.61x = 30,104,035.86
5. Step 5: Solve for x
   x = 30,104,035.86/6,181.61
6. Step 6: Final answer
   x = 4,869.94