Finding the Fourth Proportional to 8,782.56, 12,119.82 and 5,250.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,782.56 : 12,119.82 = 5,250.48 : x
2. Step 2: Convert to fraction form
   8,782.56/12,119.82 = 5,250.48/x
3. Step 3: Cross multiply
   8,782.56x = 12,119.82 × 5,250.48
4. Step 4: Simplify right side
   8,782.56x = 63,634,872.51
5. Step 5: Solve for x
   x = 63,634,872.51/8,782.56
6. Step 6: Final answer
   x = 7,245.59