Finding the Fourth Proportional to 9,308.48, 12,845.52 and 5,116.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.48 : 12,845.52 = 5,116.80 : x
2. Step 2: Convert to fraction form
   9,308.48/12,845.52 = 5,116.80/x
3. Step 3: Cross multiply
   9,308.48x = 12,845.52 × 5,116.80
4. Step 4: Simplify right side
   9,308.48x = 65,727,956.74
5. Step 5: Solve for x
   x = 65,727,956.74/9,308.48
6. Step 6: Final answer
   x = 7,061.08