Finding the Fourth Proportional to 5,109.03, 7,051.23 and 2,871.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109.03 : 7,051.23 = 2,871.12 : x
2. Step 2: Convert to fraction form
   5,109.03/7,051.23 = 2,871.12/x
3. Step 3: Cross multiply
   5,109.03x = 7,051.23 × 2,871.12
4. Step 4: Simplify right side
   5,109.03x = 20,244,927.48
5. Step 5: Solve for x
   x = 20,244,927.48/5,109.03
6. Step 6: Final answer
   x = 3,962.58