Finding the Fourth Proportional to 5,111.06, 7,052.01 and 2,872.49

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.06 : 7,052.01 = 2,872.49 : x
2. Step 2: Convert to fraction form
   5,111.06/7,052.01 = 2,872.49/x
3. Step 3: Cross multiply
   5,111.06x = 7,052.01 × 2,872.49
4. Step 4: Simplify right side
   5,111.06x = 20,256,828.20
5. Step 5: Solve for x
   x = 20,256,828.20/5,111.06
6. Step 6: Final answer
   x = 3,963.33