Finding the Fourth Proportional to 9,755.34, 13,458.06 and 7,665.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.34 : 13,458.06 = 7,665.54 : x
2. Step 2: Convert to fraction form
   9,755.34/13,458.06 = 7,665.54/x
3. Step 3: Cross multiply
   9,755.34x = 13,458.06 × 7,665.54
4. Step 4: Simplify right side
   9,755.34x = 103,163,297.25
5. Step 5: Solve for x
   x = 103,163,297.25/9,755.34
6. Step 6: Final answer
   x = 10,575.06