Finding the Fourth Proportional to 8,901.56, 12,284.16 and 5,365.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,901.56 : 12,284.16 = 5,365.51 : x
2. Step 2: Convert to fraction form
   8,901.56/12,284.16 = 5,365.51/x
3. Step 3: Cross multiply
   8,901.56x = 12,284.16 × 5,365.51
4. Step 4: Simplify right side
   8,901.56x = 65,910,732.49
5. Step 5: Solve for x
   x = 65,910,732.49/8,901.56
6. Step 6: Final answer
   x = 7,404.40