Finding the Fourth Proportional to 42.01, 58.01 and 35.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42.01 : 58.01 = 35.10 : x
2. Step 2: Convert to fraction form
   42.01/58.01 = 35.10/x
3. Step 3: Cross multiply
   42.01x = 58.01 × 35.10
4. Step 4: Simplify right side
   42.01x = 2,035.98
5. Step 5: Solve for x
   x = 2,035.98/42.01
6. Step 6: Final answer
   x = 48.47