Finding the Fourth Proportional to 9,304.59, 12,840.28 and 5,055.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,304.59 : 12,840.28 = 5,055.62 : x
2. Step 2: Convert to fraction form
   9,304.59/12,840.28 = 5,055.62/x
3. Step 3: Cross multiply
   9,304.59x = 12,840.28 × 5,055.62
4. Step 4: Simplify right side
   9,304.59x = 64,915,614.79
5. Step 5: Solve for x
   x = 64,915,614.79/9,304.59
6. Step 6: Final answer
   x = 6,976.73