Finding the Fourth Proportional to 9,287.69, 12,816.95 and 5,038.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,287.69 : 12,816.95 = 5,038.83 : x
2. Step 2: Convert to fraction form
   9,287.69/12,816.95 = 5,038.83/x
3. Step 3: Cross multiply
   9,287.69x = 12,816.95 × 5,038.83
4. Step 4: Simplify right side
   9,287.69x = 64,582,406.97
5. Step 5: Solve for x
   x = 64,582,406.97/9,287.69
6. Step 6: Final answer
   x = 6,953.55