Finding the Fourth Proportional to 10,229.25, 15,340.59 and 3,987.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,229.25 : 15,340.59 = 3,987.73 : x
2. Step 2: Convert to fraction form
   10,229.25/15,340.59 = 3,987.73/x
3. Step 3: Cross multiply
   10,229.25x = 15,340.59 × 3,987.73
4. Step 4: Simplify right side
   10,229.25x = 61,174,150.14
5. Step 5: Solve for x
   x = 61,174,150.14/10,229.25
6. Step 6: Final answer
   x = 5,980.31