Finding the Fourth Proportional to 67.59, 101.25 and 57.51

Step by Step Solution

1. Step 1: Write the proportion equation
   67.59 : 101.25 = 57.51 : x
2. Step 2: Convert to fraction form
   67.59/101.25 = 57.51/x
3. Step 3: Cross multiply
   67.59x = 101.25 × 57.51
4. Step 4: Simplify right side
   67.59x = 5,822.89
5. Step 5: Solve for x
   x = 5,822.89/67.59
6. Step 6: Final answer
   x = 86.15