Finding the Fourth Proportional to 9,923.75, 13,693.91 and 5,447.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,923.75 : 13,693.91 = 5,447.48 : x
2. Step 2: Convert to fraction form
   9,923.75/13,693.91 = 5,447.48/x
3. Step 3: Cross multiply
   9,923.75x = 13,693.91 × 5,447.48
4. Step 4: Simplify right side
   9,923.75x = 74,597,300.85
5. Step 5: Solve for x
   x = 74,597,300.85/9,923.75
6. Step 6: Final answer
   x = 7,517.05