Finding the Fourth Proportional to 6,181.72, 8,531.38 and 3,529.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,181.72 : 8,531.38 = 3,529.52 : x
2. Step 2: Convert to fraction form
   6,181.72/8,531.38 = 3,529.52/x
3. Step 3: Cross multiply
   6,181.72x = 8,531.38 × 3,529.52
4. Step 4: Simplify right side
   6,181.72x = 30,111,676.34
5. Step 5: Solve for x
   x = 30,111,676.34/6,181.72
6. Step 6: Final answer
   x = 4,871.08