Finding the Fourth Proportional to 10,914.27, 15,066.84 and 7,137.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,914.27 : 15,066.84 = 7,137.59 : x
2. Step 2: Convert to fraction form
   10,914.27/15,066.84 = 7,137.59/x
3. Step 3: Cross multiply
   10,914.27x = 15,066.84 × 7,137.59
4. Step 4: Simplify right side
   10,914.27x = 107,540,944.85
5. Step 5: Solve for x
   x = 107,540,944.85/10,914.27
6. Step 6: Final answer
   x = 9,853.24