Finding the Fourth Proportional to 10,591.40, 14,582.90 and 8,994.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,591.40 : 14,582.90 = 8,994.72 : x
2. Step 2: Convert to fraction form
   10,591.40/14,582.90 = 8,994.72/x
3. Step 3: Cross multiply
   10,591.40x = 14,582.90 × 8,994.72
4. Step 4: Simplify right side
   10,591.40x = 131,169,102.29
5. Step 5: Solve for x
   x = 131,169,102.29/10,591.40
6. Step 6: Final answer
   x = 12,384.49