Finding the Fourth Proportional to 43.49, 59.99 and 42.59

Step by Step Solution

1. Step 1: Write the proportion equation
   43.49 : 59.99 = 42.59 : x
2. Step 2: Convert to fraction form
   43.49/59.99 = 42.59/x
3. Step 3: Cross multiply
   43.49x = 59.99 × 42.59
4. Step 4: Simplify right side
   43.49x = 2,554.78
5. Step 5: Solve for x
   x = 2,554.78/43.49
6. Step 6: Final answer
   x = 58.75