Finding the Fourth Proportional to 9,641.10, 14,451.78 and 5,472.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,641.10 : 14,451.78 = 5,472.30 : x
2. Step 2: Convert to fraction form
   9,641.10/14,451.78 = 5,472.30/x
3. Step 3: Cross multiply
   9,641.10x = 14,451.78 × 5,472.30
4. Step 4: Simplify right side
   9,641.10x = 79,084,475.69
5. Step 5: Solve for x
   x = 79,084,475.69/9,641.10
6. Step 6: Final answer
   x = 8,202.85