Finding the Fourth Proportional to 11,427.75, 17,145.27 and 3,636.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,427.75 : 17,145.27 = 3,636.56 : x
2. Step 2: Convert to fraction form
   11,427.75/17,145.27 = 3,636.56/x
3. Step 3: Cross multiply
   11,427.75x = 17,145.27 × 3,636.56
4. Step 4: Simplify right side
   11,427.75x = 62,349,845.93
5. Step 5: Solve for x
   x = 62,349,845.93/11,427.75
6. Step 6: Final answer
   x = 5,456.00