Finding the Fourth Proportional to 9,205.33, 12,705.00 and 5,428.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,205.33 : 12,705.00 = 5,428.27 : x
2. Step 2: Convert to fraction form
   9,205.33/12,705.00 = 5,428.27/x
3. Step 3: Cross multiply
   9,205.33x = 12,705.00 × 5,428.27
4. Step 4: Simplify right side
   9,205.33x = 68,966,124.94
5. Step 5: Solve for x
   x = 68,966,124.94/9,205.33
6. Step 6: Final answer
   x = 7,491.98