Finding the Fourth Proportional to 59.99, 83.18 and 59.04

Step by Step Solution

1. Step 1: Write the proportion equation
   59.99 : 83.18 = 59.04 : x
2. Step 2: Convert to fraction form
   59.99/83.18 = 59.04/x
3. Step 3: Cross multiply
   59.99x = 83.18 × 59.04
4. Step 4: Simplify right side
   59.99x = 4,910.95
5. Step 5: Solve for x
   x = 4,910.95/59.99
6. Step 6: Final answer
   x = 81.86