Finding the Fourth Proportional to 9,817.18, 13,552.72 and 7,574.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,817.18 : 13,552.72 = 7,574.02 : x
2. Step 2: Convert to fraction form
   9,817.18/13,552.72 = 7,574.02/x
3. Step 3: Cross multiply
   9,817.18x = 13,552.72 × 7,574.02
4. Step 4: Simplify right side
   9,817.18x = 102,648,572.33
5. Step 5: Solve for x
   x = 102,648,572.33/9,817.18
6. Step 6: Final answer
   x = 10,456.01