Finding the Fourth Proportional to 13,332.76, 18,399.24 and 7,667.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,332.76 : 18,399.24 = 7,667.86 : x
2. Step 2: Convert to fraction form
   13,332.76/18,399.24 = 7,667.86/x
3. Step 3: Cross multiply
   13,332.76x = 18,399.24 × 7,667.86
4. Step 4: Simplify right side
   13,332.76x = 141,082,796.43
5. Step 5: Solve for x
   x = 141,082,796.43/13,332.76
6. Step 6: Final answer
   x = 10,581.66