Finding the Fourth Proportional to 43.22, 59.17 and 42.14

Step by Step Solution

1. Step 1: Write the proportion equation
   43.22 : 59.17 = 42.14 : x
2. Step 2: Convert to fraction form
   43.22/59.17 = 42.14/x
3. Step 3: Cross multiply
   43.22x = 59.17 × 42.14
4. Step 4: Simplify right side
   43.22x = 2,493.42
5. Step 5: Solve for x
   x = 2,493.42/43.22
6. Step 6: Final answer
   x = 57.69