Finding the Fourth Proportional to 9,218.84, 12,724.74 and 8,748.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,218.84 : 12,724.74 = 8,748.52 : x
2. Step 2: Convert to fraction form
   9,218.84/12,724.74 = 8,748.52/x
3. Step 3: Cross multiply
   9,218.84x = 12,724.74 × 8,748.52
4. Step 4: Simplify right side
   9,218.84x = 111,322,642.38
5. Step 5: Solve for x
   x = 111,322,642.38/9,218.84
6. Step 6: Final answer
   x = 12,075.56