Finding the Fourth Proportional to 9,505.55, 13,116.73 and 5,728.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,505.55 : 13,116.73 = 5,728.42 : x
2. Step 2: Convert to fraction form
   9,505.55/13,116.73 = 5,728.42/x
3. Step 3: Cross multiply
   9,505.55x = 13,116.73 × 5,728.42
4. Step 4: Simplify right side
   9,505.55x = 75,138,138.47
5. Step 5: Solve for x
   x = 75,138,138.47/9,505.55
6. Step 6: Final answer
   x = 7,904.66