Finding the Fourth Proportional to 10,912.71, 16,376.24 and 5,985.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,912.71 : 16,376.24 = 5,985.81 : x
2. Step 2: Convert to fraction form
   10,912.71/16,376.24 = 5,985.81/x
3. Step 3: Cross multiply
   10,912.71x = 16,376.24 × 5,985.81
4. Step 4: Simplify right side
   10,912.71x = 98,025,061.15
5. Step 5: Solve for x
   x = 98,025,061.15/10,912.71
6. Step 6: Final answer
   x = 8,982.65