Finding the Fourth Proportional to 9,005.46, 12,428.66 and 5,227.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,005.46 : 12,428.66 = 5,227.82 : x
2. Step 2: Convert to fraction form
   9,005.46/12,428.66 = 5,227.82/x
3. Step 3: Cross multiply
   9,005.46x = 12,428.66 × 5,227.82
4. Step 4: Simplify right side
   9,005.46x = 64,974,797.32
5. Step 5: Solve for x
   x = 64,974,797.32/9,005.46
6. Step 6: Final answer
   x = 7,215.04