Finding the Fourth Proportional to 43.41, 59.42 and 42.03

Step by Step Solution

1. Step 1: Write the proportion equation
   43.41 : 59.42 = 42.03 : x
2. Step 2: Convert to fraction form
   43.41/59.42 = 42.03/x
3. Step 3: Cross multiply
   43.41x = 59.42 × 42.03
4. Step 4: Simplify right side
   43.41x = 2,497.42
5. Step 5: Solve for x
   x = 2,497.42/43.41
6. Step 6: Final answer
   x = 57.53