Finding the Fourth Proportional to 12,014.88, 18,000.72 and 7,332.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,014.88 : 18,000.72 = 7,332.45 : x
2. Step 2: Convert to fraction form
   12,014.88/18,000.72 = 7,332.45/x
3. Step 3: Cross multiply
   12,014.88x = 18,000.72 × 7,332.45
4. Step 4: Simplify right side
   12,014.88x = 131,989,379.36
5. Step 5: Solve for x
   x = 131,989,379.36/12,014.88
6. Step 6: Final answer
   x = 10,985.49