Finding the Fourth Proportional to 42.82, 59.00 and 38.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42.82 : 59.00 = 38.43 : x
2. Step 2: Convert to fraction form
   42.82/59.00 = 38.43/x
3. Step 3: Cross multiply
   42.82x = 59.00 × 38.43
4. Step 4: Simplify right side
   42.82x = 2,267.18
5. Step 5: Solve for x
   x = 2,267.18/42.82
6. Step 6: Final answer
   x = 52.95