Finding the Fourth Proportional to 11,056.77, 16,587.72 and 3,660.66

Step by Step Solution

1. Step 1: Write the proportion equation
   11,056.77 : 16,587.72 = 3,660.66 : x
2. Step 2: Convert to fraction form
   11,056.77/16,587.72 = 3,660.66/x
3. Step 3: Cross multiply
   11,056.77x = 16,587.72 × 3,660.66
4. Step 4: Simplify right side
   11,056.77x = 60,722,003.10
5. Step 5: Solve for x
   x = 60,722,003.10/11,056.77
6. Step 6: Final answer
   x = 5,491.84