Finding the Fourth Proportional to 42.03, 58.01 and 24.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42.03 : 58.01 = 24.31 : x
2. Step 2: Convert to fraction form
   42.03/58.01 = 24.31/x
3. Step 3: Cross multiply
   42.03x = 58.01 × 24.31
4. Step 4: Simplify right side
   42.03x = 1,410.17
5. Step 5: Solve for x
   x = 1,410.17/42.03
6. Step 6: Final answer
   x = 33.55