Finding the Fourth Proportional to 43.09, 59.06 and 42.49

Step by Step Solution

1. Step 1: Write the proportion equation
   43.09 : 59.06 = 42.49 : x
2. Step 2: Convert to fraction form
   43.09/59.06 = 42.49/x
3. Step 3: Cross multiply
   43.09x = 59.06 × 42.49
4. Step 4: Simplify right side
   43.09x = 2,509.46
5. Step 5: Solve for x
   x = 2,509.46/43.09
6. Step 6: Final answer
   x = 58.24