Finding the Fourth Proportional to 10,955.25, 15,118.25 and 5,987.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,955.25 : 15,118.25 = 5,987.25 : x
2. Step 2: Convert to fraction form
   10,955.25/15,118.25 = 5,987.25/x
3. Step 3: Cross multiply
   10,955.25x = 15,118.25 × 5,987.25
4. Step 4: Simplify right side
   10,955.25x = 90,516,712.38
5. Step 5: Solve for x
   x = 90,516,712.38/10,955.25
6. Step 6: Final answer
   x = 8,262.41