Finding the Fourth Proportional to 67.06, 100.10 and 57.94

Step by Step Solution

1. Step 1: Write the proportion equation
   67.06 : 100.10 = 57.94 : x
2. Step 2: Convert to fraction form
   67.06/100.10 = 57.94/x
3. Step 3: Cross multiply
   67.06x = 100.10 × 57.94
4. Step 4: Simplify right side
   67.06x = 5,799.79
5. Step 5: Solve for x
   x = 5,799.79/67.06
6. Step 6: Final answer
   x = 86.49