Finding the Fourth Proportional to 42.32, 58.42 and 35.46

Step by Step Solution

1. Step 1: Write the proportion equation
   42.32 : 58.42 = 35.46 : x
2. Step 2: Convert to fraction form
   42.32/58.42 = 35.46/x
3. Step 3: Cross multiply
   42.32x = 58.42 × 35.46
4. Step 4: Simplify right side
   42.32x = 2,071.57
5. Step 5: Solve for x
   x = 2,071.57/42.32
6. Step 6: Final answer
   x = 48.95