Finding the Fourth Proportional to 10,919.47, 16,383.05 and 5,376.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,919.47 : 16,383.05 = 5,376.71 : x
2. Step 2: Convert to fraction form
   10,919.47/16,383.05 = 5,376.71/x
3. Step 3: Cross multiply
   10,919.47x = 16,383.05 × 5,376.71
4. Step 4: Simplify right side
   10,919.47x = 88,086,915.49
5. Step 5: Solve for x
   x = 88,086,915.49/10,919.47
6. Step 6: Final answer
   x = 8,066.96