Finding the Fourth Proportional to 78.33, 108.00 and 60.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78.33 : 108.00 = 60.82 : x
2. Step 2: Convert to fraction form
   78.33/108.00 = 60.82/x
3. Step 3: Cross multiply
   78.33x = 108.00 × 60.82
4. Step 4: Simplify right side
   78.33x = 6,567.72
5. Step 5: Solve for x
   x = 6,567.72/78.33
6. Step 6: Final answer
   x = 83.85