Finding the Fourth Proportional to 5,089.33, 7,021.92 and 3,072.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,089.33 : 7,021.92 = 3,072.25 : x
2. Step 2: Convert to fraction form
   5,089.33/7,021.92 = 3,072.25/x
3. Step 3: Cross multiply
   5,089.33x = 7,021.92 × 3,072.25
4. Step 4: Simplify right side
   5,089.33x = 21,573,093.72
5. Step 5: Solve for x
   x = 21,573,093.72/5,089.33
6. Step 6: Final answer
   x = 4,238.89