Finding the Fourth Proportional to 5,109.35, 7,051.01 and 2,871.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109.35 : 7,051.01 = 2,871.32 : x
2. Step 2: Convert to fraction form
   5,109.35/7,051.01 = 2,871.32/x
3. Step 3: Cross multiply
   5,109.35x = 7,051.01 × 2,871.32
4. Step 4: Simplify right side
   5,109.35x = 20,245,656.42
5. Step 5: Solve for x
   x = 20,245,656.42/5,109.35
6. Step 6: Final answer
   x = 3,962.48