Finding the Fourth Proportional to 5,109.56, 7,050.90 and 2,871.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109.56 : 7,050.90 = 2,871.52 : x
2. Step 2: Convert to fraction form
   5,109.56/7,050.90 = 2,871.52/x
3. Step 3: Cross multiply
   5,109.56x = 7,050.90 × 2,871.52
4. Step 4: Simplify right side
   5,109.56x = 20,246,800.37
5. Step 5: Solve for x
   x = 20,246,800.37/5,109.56
6. Step 6: Final answer
   x = 3,962.53