Finding the Fourth Proportional to 9,255.32, 12,772.63 and 5,063.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,255.32 : 12,772.63 = 5,063.57 : x
2. Step 2: Convert to fraction form
   9,255.32/12,772.63 = 5,063.57/x
3. Step 3: Cross multiply
   9,255.32x = 12,772.63 × 5,063.57
4. Step 4: Simplify right side
   9,255.32x = 64,675,093.22
5. Step 5: Solve for x
   x = 64,675,093.22/9,255.32
6. Step 6: Final answer
   x = 6,987.88