Finding the Fourth Proportional to 9,882.56, 14,826.28 and 9,072.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,882.56 : 14,826.28 = 9,072.56 : x
2. Step 2: Convert to fraction form
   9,882.56/14,826.28 = 9,072.56/x
3. Step 3: Cross multiply
   9,882.56x = 14,826.28 × 9,072.56
4. Step 4: Simplify right side
   9,882.56x = 134,512,314.88
5. Step 5: Solve for x
   x = 134,512,314.88/9,882.56
6. Step 6: Final answer
   x = 13,611.08