Finding the Fourth Proportional to 10,913.60, 16,365 and 5,066.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,913.60 : 16,365 = 5,066.48 : x
2. Step 2: Convert to fraction form
   10,913.60/16,365 = 5,066.48/x
3. Step 3: Cross multiply
   10,913.60x = 16,365 × 5,066.48
4. Step 4: Simplify right side
   10,913.60x = 82,912,945.20
5. Step 5: Solve for x
   x = 82,912,945.20/10,913.60
6. Step 6: Final answer
   x = 7,597.21