Finding the Fourth Proportional to 9,661.56, 13,333.32 and 5,469.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,661.56 : 13,333.32 = 5,469.84 : x
2. Step 2: Convert to fraction form
   9,661.56/13,333.32 = 5,469.84/x
3. Step 3: Cross multiply
   9,661.56x = 13,333.32 × 5,469.84
4. Step 4: Simplify right side
   9,661.56x = 72,931,127.07
5. Step 5: Solve for x
   x = 72,931,127.07/9,661.56
6. Step 6: Final answer
   x = 7,548.59