Finding the Fourth Proportional to 10,992.41, 15,189.61 and 8,003.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,992.41 : 15,189.61 = 8,003.03 : x
2. Step 2: Convert to fraction form
   10,992.41/15,189.61 = 8,003.03/x
3. Step 3: Cross multiply
   10,992.41x = 15,189.61 × 8,003.03
4. Step 4: Simplify right side
   10,992.41x = 121,562,904.52
5. Step 5: Solve for x
   x = 121,562,904.52/10,992.41
6. Step 6: Final answer
   x = 11,058.81