Finding the Fourth Proportional to 9,945.56, 13,724.94 and 5,469.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.56 : 13,724.94 = 5,469.60 : x
2. Step 2: Convert to fraction form
   9,945.56/13,724.94 = 5,469.60/x
3. Step 3: Cross multiply
   9,945.56x = 13,724.94 × 5,469.60
4. Step 4: Simplify right side
   9,945.56x = 75,069,931.82
5. Step 5: Solve for x
   x = 75,069,931.82/9,945.56
6. Step 6: Final answer
   x = 7,548.08