Finding the Fourth Proportional to 59.52, 88.80 and 51.42

Step by Step Solution

1. Step 1: Write the proportion equation
   59.52 : 88.80 = 51.42 : x
2. Step 2: Convert to fraction form
   59.52/88.80 = 51.42/x
3. Step 3: Cross multiply
   59.52x = 88.80 × 51.42
4. Step 4: Simplify right side
   59.52x = 4,566.10
5. Step 5: Solve for x
   x = 4,566.10/59.52
6. Step 6: Final answer
   x = 76.72