Finding the Fourth Proportional to 9,303.75, 12,839.18 and 5,112.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,303.75 : 12,839.18 = 5,112.27 : x
2. Step 2: Convert to fraction form
   9,303.75/12,839.18 = 5,112.27/x
3. Step 3: Cross multiply
   9,303.75x = 12,839.18 × 5,112.27
4. Step 4: Simplify right side
   9,303.75x = 65,637,329.18
5. Step 5: Solve for x
   x = 65,637,329.18/9,303.75
6. Step 6: Final answer
   x = 7,054.93