Finding the Fourth Proportional to 18,196.18, 27,280.77 and 5,709.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,196.18 : 27,280.77 = 5,709.10 : x
2. Step 2: Convert to fraction form
   18,196.18/27,280.77 = 5,709.10/x
3. Step 3: Cross multiply
   18,196.18x = 27,280.77 × 5,709.10
4. Step 4: Simplify right side
   18,196.18x = 155,748,538.63
5. Step 5: Solve for x
   x = 155,748,538.63/18,196.18
6. Step 6: Final answer
   x = 8,559.41