Finding the Fourth Proportional to 67.37, 93.00 and 64.47

Step by Step Solution

1. Step 1: Write the proportion equation
   67.37 : 93.00 = 64.47 : x
2. Step 2: Convert to fraction form
   67.37/93.00 = 64.47/x
3. Step 3: Cross multiply
   67.37x = 93.00 × 64.47
4. Step 4: Simplify right side
   67.37x = 5,994.92
5. Step 5: Solve for x
   x = 5,994.92/67.37
6. Step 6: Final answer
   x = 88.99