Finding the Fourth Proportional to 12,324.41, 18,499.76 and 5,307.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,324.41 : 18,499.76 = 5,307.89 : x
2. Step 2: Convert to fraction form
   12,324.41/18,499.76 = 5,307.89/x
3. Step 3: Cross multiply
   12,324.41x = 18,499.76 × 5,307.89
4. Step 4: Simplify right side
   12,324.41x = 98,194,572.07
5. Step 5: Solve for x
   x = 98,194,572.07/12,324.41
6. Step 6: Final answer
   x = 7,967.49