Finding the Fourth Proportional to 60.69, 83.73 and 42.03

Step by Step Solution

1. Step 1: Write the proportion equation
   60.69 : 83.73 = 42.03 : x
2. Step 2: Convert to fraction form
   60.69/83.73 = 42.03/x
3. Step 3: Cross multiply
   60.69x = 83.73 × 42.03
4. Step 4: Simplify right side
   60.69x = 3,519.17
5. Step 5: Solve for x
   x = 3,519.17/60.69
6. Step 6: Final answer
   x = 57.99