Finding the Fourth Proportional to 6,436.50, 8,882.55 and 3,642.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,436.50 : 8,882.55 = 3,642.18 : x
2. Step 2: Convert to fraction form
   6,436.50/8,882.55 = 3,642.18/x
3. Step 3: Cross multiply
   6,436.50x = 8,882.55 × 3,642.18
4. Step 4: Simplify right side
   6,436.50x = 32,351,845.96
5. Step 5: Solve for x
   x = 32,351,845.96/6,436.50
6. Step 6: Final answer
   x = 5,026.31