Finding the Fourth Proportional to 12,337.47, 18,499.46 and 4,438.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,337.47 : 18,499.46 = 4,438.89 : x
2. Step 2: Convert to fraction form
   12,337.47/18,499.46 = 4,438.89/x
3. Step 3: Cross multiply
   12,337.47x = 18,499.46 × 4,438.89
4. Step 4: Simplify right side
   12,337.47x = 82,117,045.80
5. Step 5: Solve for x
   x = 82,117,045.80/12,337.47
6. Step 6: Final answer
   x = 6,655.91