Finding the Fourth Proportional to 7,044.33, 9,721.47 and 3,900.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,044.33 : 9,721.47 = 3,900.52 : x
2. Step 2: Convert to fraction form
   7,044.33/9,721.47 = 3,900.52/x
3. Step 3: Cross multiply
   7,044.33x = 9,721.47 × 3,900.52
4. Step 4: Simplify right side
   7,044.33x = 37,918,814.94
5. Step 5: Solve for x
   x = 37,918,814.94/7,044.33
6. Step 6: Final answer
   x = 5,382.88