Finding the Fourth Proportional to 59.50, 81.91 and 51.83

Step by Step Solution

1. Step 1: Write the proportion equation
   59.50 : 81.91 = 51.83 : x
2. Step 2: Convert to fraction form
   59.50/81.91 = 51.83/x
3. Step 3: Cross multiply
   59.50x = 81.91 × 51.83
4. Step 4: Simplify right side
   59.50x = 4,245.12
5. Step 5: Solve for x
   x = 4,245.12/59.50
6. Step 6: Final answer
   x = 71.35