Finding the Fourth Proportional to 42.78, 59.00 and 32.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42.78 : 59.00 = 32.39 : x
2. Step 2: Convert to fraction form
   42.78/59.00 = 32.39/x
3. Step 3: Cross multiply
   42.78x = 59.00 × 32.39
4. Step 4: Simplify right side
   42.78x = 1,910.77
5. Step 5: Solve for x
   x = 1,910.77/42.78
6. Step 6: Final answer
   x = 44.66