Finding the Fourth Proportional to 5,181.96, 7,151.06 and 2,824.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,181.96 : 7,151.06 = 2,824.10 : x
2. Step 2: Convert to fraction form
   5,181.96/7,151.06 = 2,824.10/x
3. Step 3: Cross multiply
   5,181.96x = 7,151.06 × 2,824.10
4. Step 4: Simplify right side
   5,181.96x = 20,195,308.55
5. Step 5: Solve for x
   x = 20,195,308.55/5,181.96
6. Step 6: Final answer
   x = 3,897.23