Finding the Fourth Proportional to 9,949.56, 13,730.46 and 5,473.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,949.56 : 13,730.46 = 5,473.60 : x
2. Step 2: Convert to fraction form
   9,949.56/13,730.46 = 5,473.60/x
3. Step 3: Cross multiply
   9,949.56x = 13,730.46 × 5,473.60
4. Step 4: Simplify right side
   9,949.56x = 75,155,045.86
5. Step 5: Solve for x
   x = 75,155,045.86/9,949.56
6. Step 6: Final answer
   x = 7,553.60