Finding the Fourth Proportional to 10,671.54, 16,000.42 and 4,435.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,671.54 : 16,000.42 = 4,435.82 : x
2. Step 2: Convert to fraction form
   10,671.54/16,000.42 = 4,435.82/x
3. Step 3: Cross multiply
   10,671.54x = 16,000.42 × 4,435.82
4. Step 4: Simplify right side
   10,671.54x = 70,974,983.04
5. Step 5: Solve for x
   x = 70,974,983.04/10,671.54
6. Step 6: Final answer
   x = 6,650.87