Finding the Fourth Proportional to 18,022.77, 27,036.72 and 5,543.82

Step by Step Solution

1. Step 1: Write the proportion equation
   18,022.77 : 27,036.72 = 5,543.82 : x
2. Step 2: Convert to fraction form
   18,022.77/27,036.72 = 5,543.82/x
3. Step 3: Cross multiply
   18,022.77x = 27,036.72 × 5,543.82
4. Step 4: Simplify right side
   18,022.77x = 149,886,709.07
5. Step 5: Solve for x
   x = 149,886,709.07/18,022.77
6. Step 6: Final answer
   x = 8,316.52