Finding the Fourth Proportional to 10,955.63, 15,118.76 and 5,987.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,955.63 : 15,118.76 = 5,987.63 : x
2. Step 2: Convert to fraction form
   10,955.63/15,118.76 = 5,987.63/x
3. Step 3: Cross multiply
   10,955.63x = 15,118.76 × 5,987.63
4. Step 4: Simplify right side
   10,955.63x = 90,525,480.31
5. Step 5: Solve for x
   x = 90,525,480.31/10,955.63
6. Step 6: Final answer
   x = 8,262.92