Finding the Fourth Proportional to 42.06, 63.23 and 34.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42.06 : 63.23 = 34.10 : x
2. Step 2: Convert to fraction form
   42.06/63.23 = 34.10/x
3. Step 3: Cross multiply
   42.06x = 63.23 × 34.10
4. Step 4: Simplify right side
   42.06x = 2,155.66
5. Step 5: Solve for x
   x = 2,155.66/42.06
6. Step 6: Final answer
   x = 51.25