Finding the Fourth Proportional to 10,912.47, 16,375.88 and 5,985.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,912.47 : 16,375.88 = 5,985.56 : x
2. Step 2: Convert to fraction form
   10,912.47/16,375.88 = 5,985.56/x
3. Step 3: Cross multiply
   10,912.47x = 16,375.88 × 5,985.56
4. Step 4: Simplify right side
   10,912.47x = 98,018,823.30
5. Step 5: Solve for x
   x = 98,018,823.30/10,912.47
6. Step 6: Final answer
   x = 8,982.28