Finding the Fourth Proportional to 8,902.56, 12,285.54 and 5,366.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,902.56 : 12,285.54 = 5,366.51 : x
2. Step 2: Convert to fraction form
   8,902.56/12,285.54 = 5,366.51/x
3. Step 3: Cross multiply
   8,902.56x = 12,285.54 × 5,366.51
4. Step 4: Simplify right side
   8,902.56x = 65,930,473.27
5. Step 5: Solve for x
   x = 65,930,473.27/8,902.56
6. Step 6: Final answer
   x = 7,405.79