Finding the Fourth Proportional to 42.95, 59.28 and 23.55

Step by Step Solution

1. Step 1: Write the proportion equation
   42.95 : 59.28 = 23.55 : x
2. Step 2: Convert to fraction form
   42.95/59.28 = 23.55/x
3. Step 3: Cross multiply
   42.95x = 59.28 × 23.55
4. Step 4: Simplify right side
   42.95x = 1,395.78
5. Step 5: Solve for x
   x = 1,395.78/42.95
6. Step 6: Final answer
   x = 32.50