Finding the Fourth Proportional to 9,945.63, 13,725.02 and 5,469.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.63 : 13,725.02 = 5,469.67 : x
2. Step 2: Convert to fraction form
   9,945.63/13,725.02 = 5,469.67/x
3. Step 3: Cross multiply
   9,945.63x = 13,725.02 × 5,469.67
4. Step 4: Simplify right side
   9,945.63x = 75,071,330.14
5. Step 5: Solve for x
   x = 75,071,330.14/9,945.63
6. Step 6: Final answer
   x = 7,548.17