Finding the Fourth Proportional to 59.10, 88.68 and 42.03

Step by Step Solution

1. Step 1: Write the proportion equation
   59.10 : 88.68 = 42.03 : x
2. Step 2: Convert to fraction form
   59.10/88.68 = 42.03/x
3. Step 3: Cross multiply
   59.10x = 88.68 × 42.03
4. Step 4: Simplify right side
   59.10x = 3,727.22
5. Step 5: Solve for x
   x = 3,727.22/59.10
6. Step 6: Final answer
   x = 63.07