Finding the Fourth Proportional to 9,554.76, 13,185.12 and 5,306.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,554.76 : 13,185.12 = 5,306.09 : x
2. Step 2: Convert to fraction form
   9,554.76/13,185.12 = 5,306.09/x
3. Step 3: Cross multiply
   9,554.76x = 13,185.12 × 5,306.09
4. Step 4: Simplify right side
   9,554.76x = 69,961,409.51
5. Step 5: Solve for x
   x = 69,961,409.51/9,554.76
6. Step 6: Final answer
   x = 7,322.15