Finding the Fourth Proportional to 43.83, 65.18 and 43.43

Step by Step Solution

1. Step 1: Write the proportion equation
   43.83 : 65.18 = 43.43 : x
2. Step 2: Convert to fraction form
   43.83/65.18 = 43.43/x
3. Step 3: Cross multiply
   43.83x = 65.18 × 43.43
4. Step 4: Simplify right side
   43.83x = 2,830.55
5. Step 5: Solve for x
   x = 2,830.55/43.83
6. Step 6: Final answer
   x = 64.58