Finding the Fourth Proportional to 82.02, 112.89 and 67.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82.02 : 112.89 = 67.50 : x
2. Step 2: Convert to fraction form
   82.02/112.89 = 67.50/x
3. Step 3: Cross multiply
   82.02x = 112.89 × 67.50
4. Step 4: Simplify right side
   82.02x = 7,620.08
5. Step 5: Solve for x
   x = 7,620.08/82.02
6. Step 6: Final answer
   x = 92.91