Finding the Fourth Proportional to 42.63, 59.23 and 42.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42.63 : 59.23 = 42.28 : x
2. Step 2: Convert to fraction form
   42.63/59.23 = 42.28/x
3. Step 3: Cross multiply
   42.63x = 59.23 × 42.28
4. Step 4: Simplify right side
   42.63x = 2,504.24
5. Step 5: Solve for x
   x = 2,504.24/42.63
6. Step 6: Final answer
   x = 58.74