Finding the Fourth Proportional to 9,287.89, 12,817.25 and 5,038.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,287.89 : 12,817.25 = 5,038.95 : x
2. Step 2: Convert to fraction form
   9,287.89/12,817.25 = 5,038.95/x
3. Step 3: Cross multiply
   9,287.89x = 12,817.25 × 5,038.95
4. Step 4: Simplify right side
   9,287.89x = 64,585,481.89
5. Step 5: Solve for x
   x = 64,585,481.89/9,287.89
6. Step 6: Final answer
   x = 6,953.73