Finding the Fourth Proportional to 12,301.76, 18,456.33 and 5,731.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,301.76 : 18,456.33 = 5,731.85 : x
2. Step 2: Convert to fraction form
   12,301.76/18,456.33 = 5,731.85/x
3. Step 3: Cross multiply
   12,301.76x = 18,456.33 × 5,731.85
4. Step 4: Simplify right side
   12,301.76x = 105,788,915.11
5. Step 5: Solve for x
   x = 105,788,915.11/12,301.76
6. Step 6: Final answer
   x = 8,599.49