Finding the Fourth Proportional to 10,767.60, 16,126.56 and 9,344.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,767.60 : 16,126.56 = 9,344.16 : x
2. Step 2: Convert to fraction form
   10,767.60/16,126.56 = 9,344.16/x
3. Step 3: Cross multiply
   10,767.60x = 16,126.56 × 9,344.16
4. Step 4: Simplify right side
   10,767.60x = 150,689,156.89
5. Step 5: Solve for x
   x = 150,689,156.89/10,767.60
6. Step 6: Final answer
   x = 13,994.68