Finding the Fourth Proportional to 42.50, 58.67 and 32.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42.50 : 58.67 = 32.81 : x
2. Step 2: Convert to fraction form
   42.50/58.67 = 32.81/x
3. Step 3: Cross multiply
   42.50x = 58.67 × 32.81
4. Step 4: Simplify right side
   42.50x = 1,924.51
5. Step 5: Solve for x
   x = 1,924.51/42.50
6. Step 6: Final answer
   x = 45.29