Finding the Fourth Proportional to 11,054.64, 16,586.82 and 3,660.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,054.64 : 16,586.82 = 3,660.16 : x
2. Step 2: Convert to fraction form
   11,054.64/16,586.82 = 3,660.16/x
3. Step 3: Cross multiply
   11,054.64x = 16,586.82 × 3,660.16
4. Step 4: Simplify right side
   11,054.64x = 60,710,415.09
5. Step 5: Solve for x
   x = 60,710,415.09/11,054.64
6. Step 6: Final answer
   x = 5,491.85