Finding the Fourth Proportional to 42.96, 59.34 and 38.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42.96 : 59.34 = 38.82 : x
2. Step 2: Convert to fraction form
   42.96/59.34 = 38.82/x
3. Step 3: Cross multiply
   42.96x = 59.34 × 38.82
4. Step 4: Simplify right side
   42.96x = 2,303.58
5. Step 5: Solve for x
   x = 2,303.58/42.96
6. Step 6: Final answer
   x = 53.62