Finding the Fourth Proportional to 10,992.40, 15,169.52 and 5,956.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,992.40 : 15,169.52 = 5,956.63 : x
2. Step 2: Convert to fraction form
   10,992.40/15,169.52 = 5,956.63/x
3. Step 3: Cross multiply
   10,992.40x = 15,169.52 × 5,956.63
4. Step 4: Simplify right side
   10,992.40x = 90,359,194.89
5. Step 5: Solve for x
   x = 90,359,194.89/10,992.40
6. Step 6: Final answer
   x = 8,220.15