Finding the Fourth Proportional to 10,089.25, 15,133.94 and 3,515.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,089.25 : 15,133.94 = 3,515.56 : x
2. Step 2: Convert to fraction form
   10,089.25/15,133.94 = 3,515.56/x
3. Step 3: Cross multiply
   10,089.25x = 15,133.94 × 3,515.56
4. Step 4: Simplify right side
   10,089.25x = 53,204,180.86
5. Step 5: Solve for x
   x = 53,204,180.86/10,089.25
6. Step 6: Final answer
   x = 5,273.36