Finding the Fourth Proportional to 9,280.89, 12,807.51 and 5,301.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.89 : 12,807.51 = 5,301.97 : x
2. Step 2: Convert to fraction form
   9,280.89/12,807.51 = 5,301.97/x
3. Step 3: Cross multiply
   9,280.89x = 12,807.51 × 5,301.97
4. Step 4: Simplify right side
   9,280.89x = 67,905,033.79
5. Step 5: Solve for x
   x = 67,905,033.79/9,280.89
6. Step 6: Final answer
   x = 7,316.65