Finding the Fourth Proportional to 9,817.68, 13,553.42 and 7,574.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,817.68 : 13,553.42 = 7,574.52 : x
2. Step 2: Convert to fraction form
   9,817.68/13,553.42 = 7,574.52/x
3. Step 3: Cross multiply
   9,817.68x = 13,553.42 × 7,574.52
4. Step 4: Simplify right side
   9,817.68x = 102,660,650.86
5. Step 5: Solve for x
   x = 102,660,650.86/9,817.68
6. Step 6: Final answer
   x = 10,456.71