Finding the Fourth Proportional to 11,018.68, 16,529.86 and 3,621.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,018.68 : 16,529.86 = 3,621.52 : x
2. Step 2: Convert to fraction form
   11,018.68/16,529.86 = 3,621.52/x
3. Step 3: Cross multiply
   11,018.68x = 16,529.86 × 3,621.52
4. Step 4: Simplify right side
   11,018.68x = 59,863,218.59
5. Step 5: Solve for x
   x = 59,863,218.59/11,018.68
6. Step 6: Final answer
   x = 5,432.88