Finding the Fourth Proportional to 42.83, 59.23 and 34.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42.83 : 59.23 = 34.63 : x
2. Step 2: Convert to fraction form
   42.83/59.23 = 34.63/x
3. Step 3: Cross multiply
   42.83x = 59.23 × 34.63
4. Step 4: Simplify right side
   42.83x = 2,051.03
5. Step 5: Solve for x
   x = 2,051.03/42.83
6. Step 6: Final answer
   x = 47.89