Finding the Fourth Proportional to 9,255.12, 12,772.37 and 5,063.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,255.12 : 12,772.37 = 5,063.37 : x
2. Step 2: Convert to fraction form
   9,255.12/12,772.37 = 5,063.37/x
3. Step 3: Cross multiply
   9,255.12x = 12,772.37 × 5,063.37
4. Step 4: Simplify right side
   9,255.12x = 64,671,235.09
5. Step 5: Solve for x
   x = 64,671,235.09/9,255.12
6. Step 6: Final answer
   x = 6,987.62