Finding the Fourth Proportional to 67.59, 93.17 and 54.47

Step by Step Solution

1. Step 1: Write the proportion equation
   67.59 : 93.17 = 54.47 : x
2. Step 2: Convert to fraction form
   67.59/93.17 = 54.47/x
3. Step 3: Cross multiply
   67.59x = 93.17 × 54.47
4. Step 4: Simplify right side
   67.59x = 5,075.34
5. Step 5: Solve for x
   x = 5,075.34/67.59
6. Step 6: Final answer
   x = 75.09