Finding the Fourth Proportional to 9,671.63, 14,505.15 and 5,456.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,671.63 : 14,505.15 = 5,456.69 : x
2. Step 2: Convert to fraction form
   9,671.63/14,505.15 = 5,456.69/x
3. Step 3: Cross multiply
   9,671.63x = 14,505.15 × 5,456.69
4. Step 4: Simplify right side
   9,671.63x = 79,150,106.95
5. Step 5: Solve for x
   x = 79,150,106.95/9,671.63
6. Step 6: Final answer
   x = 8,183.74