Finding the Fourth Proportional to 5,536.34, 7,640.05 and 3,018.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,536.34 : 7,640.05 = 3,018.56 : x
2. Step 2: Convert to fraction form
   5,536.34/7,640.05 = 3,018.56/x
3. Step 3: Cross multiply
   5,536.34x = 7,640.05 × 3,018.56
4. Step 4: Simplify right side
   5,536.34x = 23,061,949.33
5. Step 5: Solve for x
   x = 23,061,949.33/5,536.34
6. Step 6: Final answer
   x = 4,165.56