Finding the Fourth Proportional to 11,636.42, 17,442.48 and 5,705.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,636.42 : 17,442.48 = 5,705.18 : x
2. Step 2: Convert to fraction form
   11,636.42/17,442.48 = 5,705.18/x
3. Step 3: Cross multiply
   11,636.42x = 17,442.48 × 5,705.18
4. Step 4: Simplify right side
   11,636.42x = 99,512,488.05
5. Step 5: Solve for x
   x = 99,512,488.05/11,636.42
6. Step 6: Final answer
   x = 8,551.81