Finding the Fourth Proportional to 10,753.89, 16,103.55 and 8,994.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,753.89 : 16,103.55 = 8,994.55 : x
2. Step 2: Convert to fraction form
   10,753.89/16,103.55 = 8,994.55/x
3. Step 3: Cross multiply
   10,753.89x = 16,103.55 × 8,994.55
4. Step 4: Simplify right side
   10,753.89x = 144,844,214.32
5. Step 5: Solve for x
   x = 144,844,214.32/10,753.89
6. Step 6: Final answer
   x = 13,469.01